map: Show value in balloon

HTML

<script type="text/javascript" src="http://www.amcharts.com/lib/3/ammap.js"></script>
<script type="text/javascript" src="http://www.amcharts.com/lib/3/maps/js/worldLow.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;
}

JavaScript

AmCharts.makeChart("chartdiv", {

	"type": "map",
    "theme": "none",
    "pathToImages": "http://www.amcharts.com/lib/3/images/",

	"dataProvider": {
     "map": "worldLow",
        "areas": [
            { id: "US", value: 10000, description: "sd" },
            { id: "CA", value: 3000 },
            { id: "FR", value: 2500 },
            { id: "GB", value: 4500 }
        ]
	},
	"areasSettings": {
		"autoZoom": true,
		"selectedColor": "#CC0000",
        "balloonText": "[[value]] ,[[description]], jobs available in [[title]]"
	},
	"smallMap": {}
});