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'});
       data.addColumn({type:'string', role:'annotationText'});
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['2020-04-07',397968,null,null,null,null],
['2020-04-08',397987,null,null,null,null],
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['2020-04-10',397999,null,null,null,null],
['2020-04-11',398005,null,null,null,null],
['2020-04-12',398011,null,null,null,null],
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    legend: {position: 'top' },
    vAxes:[
      {direction:1},
      {direction:-1,viewWindow:{min:0,max:0}}
    ],
    series: {
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        type: 'bars',
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      },
      1:{
        type: 'line',
        color: 'seagreen',                
        targetAxisIndex: 1,
      },
      2:{
        type: 'line',
        color: 'red',                
        targetAxisIndex: 1,
      },
    },
    tooltip: { trigger: 'both' },
    focusTarget: 'category',
    colors:['#2980b9','#e74c3c']
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  google.visualization.events.addListener(chart, 'click', function() {
    if(chart.getSelection()[0]){
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});