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');
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['2020-05-29',853029,146,286,null,null],
['2020-05-30',853130,132,71,null,null],
['2020-05-31',853214,89,102,null,null],
['2020-06-01',853305,82,185,null,null],
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['2020-06-04',853583,100,240,null,null],
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['2020-07-20',857572,58,82,null,null],
['2020-07-21',857718,52,118,null,null]
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    tooltip: { trigger: 'both' },
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});