Clustered Column Chart

HTML

<script type="text/javascript" src="http://www.amcharts.com/lib/3/amcharts.js"></script>
<script type="text/javascript" src="http://www.amcharts.com/lib/3/serial.js"></script>
<script type="text/javascript" src="http://www.amcharts.com/lib/3/themes/none.js"></script>
<div id="chartdiv"></div>

CSS

#chartdiv {
	width		: 100%;
	height		: 500px;
	font-size	: 11px;
}

JavaScript

var chart = AmCharts.makeChart("chartdiv", {
    "type": "serial",
    "theme": "none",
    "columnWidth:": 0.6,
    "columnSpacing": 5,
    "dataProvider": [{
        "year": 2005,
        "income": 23.5,
        "expenses": 18.1
    }, {
        "year": 2006,
        "income": 26.2,
        "expenses": 22.8
    }, {
        "year": 2007,
        "income": 30.1,
        "expenses": 23.9
    }, {
        "year": 2008,
        "income": 29.5,
        "expenses": 25.1
    }, {
        "year": 2009,
        "income": 24.6,
        "expenses": 25
    }],
    "valueAxes": [{
        "axisAlpha": 0,
        "position": "top"
    }],
    "startDuration": 1,
    "graphs": [{
        "balloonText": "Income:[[value]]",
        "fillAlphas": 0.8,
        "lineAlpha": 0.2,
        "title": "Income",
        "type": "column",
        "valueField": "income"
    }, {
        "balloonText": "Expenses:[[value]]",
        "fillAlphas": 0.8,
        "lineAlpha": 0.2,
        "title": "Expenses",
        "type": "column",
        "valueField": "expenses"
    }],
    "categoryField": "year",
    "categoryAxis": {
        "gridPosition": "start",
        "position": "left"
    },
	"exportConfig":{
		"menuBottom":"20px",
        "menuRight":"20px",
        "menuItems": [{
        "icon": '/lib/3/images/export.png',
        "format": 'png'	  
        }]  
    }
});