XYSeries seriesData = new XYSeries("Population", colCfg);
seriesData.setSeriesPoints(getPoints(seriesData, 34.4, 21.8, 20.1, 20,
19.6, 19.5, 19.1, 18.4, 18, 17.3, 16.8, 15, 14.7, 14.5, 13.3,
12.8, 12.4, 11.8, 11.7, 11.2));
chart.addSeries(seriesData);
addChart(chart);
}
private void showAreaWithNegValues() {