V3: Column 100% stacked

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

JavaScript 1.7

var chart;

var chartData = [{
    "year": "2003",
        "europe": 2.5,
        "namerica": 2.5,
        "asia": 2.1,
        "lamerica": 0.3,
        "meast": 0.2,
        "africa": 0.1
}, {
    "year": "2004",
        "europe": 2.6,
        "namerica": 2.7,
        "asia": 2.2,
        "lamerica": 0.3,
        "meast": 0.3,
        "africa": 0.1
}, {
    "year": "2005",
        "europe": 2.8,
        "namerica": 2.9,
        "asia": 2.4,
        "lamerica": 0.3,
        "meast": 0.3,
        "africa": 0.1
}];

AmCharts.ready(function () {
    // SERIAL CHART
    chart = new AmCharts.AmSerialChart();
    chart.dataProvider = chartData;
    chart.categoryField = "year";

    // sometimes we need to set margins manually
    // autoMargins should be set to false in order chart to use custom margin values
    chart.autoMargins = false;
    chart.marginLeft = 0;
    chart.marginRight = 0;
    chart.marginTop = 30;
    chart.marginBottom = 40;

    // AXES
    // category
    var categoryAxis = chart.categoryAxis;
    categoryAxis.gridAlpha = 0;
    categoryAxis.axisAlpha = 0;
    categoryAxis.gridPosition = "start";

    // value
    var valueAxis = new AmCharts.ValueAxis();
    valueAxis.stackType = "100%"; // this line makes the chart 100% stacked
    valueAxis.gridAlpha = 0;
    valueAxis.axisAlpha = 0;
    valueAxis.labelsEnabled = false;
    chart.addValueAxis(valueAxis);

    // GRAPHS
    // first graph                          
    var graph = new AmCharts.AmGraph();
    graph.title = "Europe";
    graph.labelText = "[[percents]]%";
    graph.balloonText = "[[title]], [[category]]<br><span style='font-size:14px;'><b>[[value]]</b> ([[percents]]%)</span>";
    graph.valueField = "europe";
    graph.type = "column";
    graph.lineAlpha = 0;
    graph.fillAlphas = 1;
    graph.lineColor = "#C72C95";
    chart.addGraph(graph);

    // second graph              
    graph = new AmCharts.AmGraph();
    graph.title = "North America";
    graph.labelText =...