google.load('visualization', '1.0', {'packages':['corechart']});
google.setOnLoadCallback(function(){
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       data.addColumn('number', 'DL数');
       data.addColumn('number', 'Googleセルラン');
       data.addColumn('number', 'iOSセルラン');
       data.addColumn({type:'string', role:'annotation'});
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['2020-10-07',207782,null,null,null,null],
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['2020-10-09',207854,null,null,null,null],
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['2020-10-11',207958,null,null,null,null],
['2020-10-12',208066,null,null,null,null],
['2020-10-13',208155,null,null,null,null],
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['2020-10-15',208237,null,null,null,null],
['2020-10-16',208237,null,null,null,null],
['2020-10-17',208292,null,null,null,null],
['2020-10-18',208329,null,null,null,null],
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['2020-12-02',210520,null,null,null,null],
['2020-12-03',210539,null,null,null,null]
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    legend: {position: 'top' },
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    series: {
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        type: 'bars',
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      1:{
        type: 'line',
        color: 'seagreen',                
        targetAxisIndex: 1,
      },
      2:{
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    tooltip: { trigger: 'both' },
    focusTarget: 'category',
    colors:['#2980b9','#e74c3c']
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  google.visualization.events.addListener(chart, 'click', function() {
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});