amcharts Column chart with multiple datasets

HTML

<script src="http://www.amcharts.com/lib/3/amcharts.js"></script>
<script src="http://www.amcharts.com/lib/3/serial.js"></script>

<div id="serviceHitCountChartdiv" style="width: 100%; height: 362px;"></div>

CSS

#selector {
    font-family: Verdana;
    background-color: #efefef;
    padding: 10px;
    margin-bottom: 10px;
    border-bottom: 1px solid #ccc;
}

JavaScript

var chart = AmCharts.makeChart('serviceHitCountChartdiv', 
{ 
'type': 'serial',
'theme': 'light',
'paddingRight': 0,
'color': '#000', 

'pathToImages': '/images/',

'dataProvider': [{
  "year": "7.00",
  "value": 10,
  "value1": 20,
  "value2": 30,
}, {
  "year": "8.00",
 "value": 40,
  "value1": 50,
  "value2": 60,
}, {
  "year": "9.00",
 "value": 70,
  "value1": 80,
  "value2": 90,
}, {
  "year": "10.00",
"value": 100,
  "value1": 90,
  "value2": 80,
}, {
  "year": "11.00",
  "value": 70,
  "value1": 60,
  "value2": 50,
}, {
  "year": "12.00",
"value": 40,
  "value1": 30,
  "value2": 20,
}, {
  "year": "13.00",
 "value": 10,
  "value1": 20,
  "value2": 30,
}],
'valueAxes': [{ 
'id': 'v1',
'axisColor': '#6C757E',
'axisThickness': 2,
'gridAlpha': 1,
'axisAlpha': 1, 
'position': 'left'
}],
'graphs': [{
'valueAxis': 'v2',
"balloonText": "[[year]]  &nbsp;[[value]]",
'axisAlpha': 1,

'fillColors': '#e6c1c1', 
'lineThickness': 3, 
'lineColor': '#e6c1c1', 
'lineAlpha': 2,

'color': '#65BF1C',
'bulletBorderThickness': 1, 
'hideBulletsCount': 30,
'valueField': 'value', 
 "type": "smoothedLine",
'fillAlphas': 0.6

},
{ "valueAxis": "v3", 
"balloonText": "[[year]] &nbsp; [[value1]]", 
'axisAlpha': 1,
'fillColors': '#4f98c2',
 "type": "smoothedLine",
'lineAlpha': 2,
"lineColor": "#4f98c2", 
"valueField": "value1", 
'color': '#65BF1C',
'fillAlphas': 0.6 

},
{ "valueAxis": "v4", 
"balloonText": "[[year]] &nbsp; [[value2]]", 
'axisAlpha': 1,
'fillColors': '#4f98c2',
 "type": "smoothedLine",
'lineAlpha': 2,
"lineColor": "#4f98c2", 
"valueField": "value1", 
'color': '#65BF1C',
'fillAlphas': 0.6 

}], 
'plotAreaBorderAlpha': 0,
'marginTop': 10,
'marginLeft': 0,
'marginBottom': 0, 
'chartCursor': { 'cursorAlpha': 1, 'cursorColor': '#65BF1C' }, 'categoryField': 'year', 'categoryAxis': { "startOnAxis": true, 'axisColor': '#6C757E', 'forceShowField': 'forceShow', 'gridAlpha': 0.07, 'autoGridCount': true, 'dashLength': 2, 'gridCount': 2,  'guides': [{ inside: true}] } });