google.load('visualization', '1.0', {'packages':['corechart']});
google.setOnLoadCallback(function(){
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       data.addColumn('string', '日');
       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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['2020-07-04',null,null,null,null,null],
['2020-07-05',null,null,null,null,null],
['2020-07-06',null,null,null,null,null],
['2020-07-07',31648,null,null,null,null],
['2020-07-08',31648,null,null,null,null],
['2020-07-09',31652,null,null,null,null],
['2020-07-10',31652,null,null,null,null],
['2020-07-11',31658,null,660,null,null],
['2020-07-12',31660,null,null,null,null],
['2020-07-13',31662,null,null,null,null],
['2020-07-14',31663,null,null,null,null],
['2020-07-15',31663,null,null,null,null],
['2020-07-16',31665,null,574,null,null],
['2020-07-17',31665,null,null,null,null],
['2020-07-18',31669,null,992,null,null],
['2020-07-19',31673,null,null,null,null],
['2020-07-20',31674,null,null,null,null],
['2020-07-21',31675,null,null,null,null],
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['2020-07-24',31676,null,null,null,null],
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['2020-07-26',31684,null,null,null,null],
['2020-07-27',31684,null,null,null,null],
['2020-07-28',31684,null,null,null,null],
['2020-07-29',31684,null,null,null,null],
['2020-07-30',31684,null,null,null,null],
['2020-07-31',31684,null,null,null,null],
['2020-08-01',31697,null,null,null,null],
['2020-08-02',31700,null,null,null,null],
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['2020-08-13',31758,null,null,null,null],
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['2020-08-30',31812,null,null,null,null],
['2020-08-31',31816,null,null,null,null],
['2020-09-01',31822,null,null,null,null]
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    legend: {position: 'top' },
    vAxes:[
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      {direction:-1,viewWindow:{min:0,max:900}}
    ],
    series: {
      0:{
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        targetAxisIndex: 0,
      },
      1:{
        type: 'line',
        color: 'seagreen',                
        targetAxisIndex: 1,
      },
      2:{
        type: 'line',
        color: 'red',                
        targetAxisIndex: 1,
      },
    },
    tooltip: { trigger: 'both' },
    focusTarget: 'category',
    colors:['#2980b9','#e74c3c']
  };
  var chart = new google.visualization.ComboChart(document.getElementById('graphField'));
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  google.visualization.events.addListener(chart, 'click', function() {
    if(chart.getSelection()[0]){
      chart.setSelection(null)
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});