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Randa Firman Putra
238
components/StatistikPerAngkatanChart.tsx
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238
components/StatistikPerAngkatanChart.tsx
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'use client';
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import { useEffect, useState } from 'react';
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import dynamic from 'next/dynamic';
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import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
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import { useTheme } from "next-themes";
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const Chart = dynamic(() => import('react-apexcharts'), { ssr: false });
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interface GenderStatistik {
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tahun_angkatan: number;
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jk: string;
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jumlah: number;
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}
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interface Props {
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tahunAngkatan: string;
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}
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export default function StatistikPerAngkatanChart({ tahunAngkatan }: Props) {
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const { theme, systemTheme } = useTheme();
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const [statistikData, setStatistikData] = useState<GenderStatistik[]>([]);
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const [loading, setLoading] = useState(true);
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const [error, setError] = useState<string | null>(null);
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useEffect(() => {
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const fetchData = async () => {
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try {
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setLoading(true);
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setError(null);
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const response = await fetch(`/api/mahasiswa/gender-per-angkatan?tahun=${tahunAngkatan}`);
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if (!response.ok) {
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throw new Error(`Failed to fetch data: ${response.status} ${response.statusText}`);
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}
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const result = await response.json();
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if (!Array.isArray(result)) {
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throw new Error('Invalid data format received from server');
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}
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setStatistikData(result);
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} catch (err) {
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console.error('Error in fetchData:', err);
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setError(err instanceof Error ? err.message : 'An error occurred while fetching data');
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} finally {
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setLoading(false);
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}
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};
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if (tahunAngkatan !== "all") {
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fetchData();
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}
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}, [tahunAngkatan]);
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const [chartOptions, setChartOptions] = useState({
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chart: {
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type: 'pie' as const,
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toolbar: {
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show: true,
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tools: {
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download: true,
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selection: true,
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zoom: true,
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zoomin: true,
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zoomout: true,
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pan: true,
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reset: true
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}
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},
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background: 'transparent',
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},
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labels: ['Laki-laki', 'Perempuan'],
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colors: ['#3B82F6', '#EC4899'],
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legend: {
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position: 'bottom' as const,
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fontSize: '14px',
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markers: {
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size: 12,
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strokeWidth: 0
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},
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itemMargin: {
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horizontal: 10
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},
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labels: {
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colors: '#000',
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style: {
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fontSize: '14px',
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fontFamily: 'Inter, sans-serif',
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fontWeight: '500'
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}
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}
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},
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dataLabels: {
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enabled: true,
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formatter: function (val: number, opts: any) {
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return val.toString();
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},
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style: {
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fontSize: '14px',
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fontFamily: 'Inter, sans-serif',
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fontWeight: '500'
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},
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offsetY: 0,
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dropShadow: {
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enabled: false
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},
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position: 'top'
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},
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tooltip: {
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theme: 'light',
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y: {
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formatter: function (val: number) {
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return val + " mahasiswa"
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}
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}
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}
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});
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// Update theme when it changes
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useEffect(() => {
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const currentTheme = theme === 'system' ? systemTheme : theme;
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const textColor = currentTheme === 'dark' ? '#fff' : '#000';
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const tooltipTheme = currentTheme === 'dark' ? 'dark' : 'light';
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setChartOptions(prev => ({
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...prev,
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chart: {
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...prev.chart,
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background: currentTheme === 'dark' ? '#0F172B' : '#fff',
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},
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legend: {
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...prev.legend,
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labels: {
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...prev.legend.labels,
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colors: textColor,
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}
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},
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dataLabels: {
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...prev.dataLabels,
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style: {
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...prev.dataLabels.style,
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color: textColor
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}
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},
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tooltip: {
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...prev.tooltip,
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theme: tooltipTheme
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}
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}));
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}, [theme, systemTheme]);
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// Update dataLabels formatter when data changes
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useEffect(() => {
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if (statistikData.length > 0) {
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setChartOptions(prev => ({
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...prev,
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dataLabels: {
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...prev.dataLabels,
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formatter: function (val: number, opts: any) {
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const total = statistikData.reduce((sum, item) => sum + item.jumlah, 0);
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const percentage = ((statistikData[opts.seriesIndex]?.jumlah / total) * 100) || 0;
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return `${percentage.toFixed(0)}%`;
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}
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}
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}));
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}
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}, [statistikData]);
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const chartSeries = statistikData.map(item => item.jumlah);
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const totalMahasiswa = statistikData.reduce((sum, item) => sum + item.jumlah, 0);
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if (tahunAngkatan === "all") {
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return null;
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}
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if (loading) {
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return (
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<Card className="bg-white dark:bg-slate-900 shadow-lg">
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<CardHeader>
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<CardTitle className="text-xl font-bold dark:text-white">
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Loading...
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</CardTitle>
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</CardHeader>
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</Card>
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);
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}
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if (error) {
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return (
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<Card className="bg-white dark:bg-slate-900 shadow-lg">
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<CardHeader>
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<CardTitle className="text-xl font-bold text-red-500 dark:text-red-400">
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Error: {error}
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</CardTitle>
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</CardHeader>
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</Card>
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);
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}
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if (statistikData.length === 0) {
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return (
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<Card className="bg-white dark:bg-slate-900 shadow-lg">
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<CardHeader>
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<CardTitle className="text-xl font-bold dark:text-white">
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Tidak ada data yang tersedia
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</CardTitle>
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</CardHeader>
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</Card>
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);
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}
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return (
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<Card className="bg-white dark:bg-slate-900 shadow-lg">
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<CardHeader>
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<CardTitle className="text-xl font-bold dark:text-white">
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Total Mahasiswa Angkatan {tahunAngkatan}
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</CardTitle>
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<div className="text-lg font-semibold text-gray-600 dark:text-gray-300">
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Total Mahasiswa: {totalMahasiswa}
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</div>
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</CardHeader>
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<CardContent>
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<div className="h-[350px] w-full max-w-5xl mx-auto">
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<Chart
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options={chartOptions}
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series={chartSeries}
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type="pie"
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height="100%"
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width="90%"
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/>
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</div>
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</CardContent>
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</Card>
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);
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}
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