gdp.add(new GDPRecord("United States", 188217, 2995787, 12500746));
gdp.add(new GDPRecord("China", 830931, 3726848, 3669259));
gdp.add(new GDPRecord("Japan", 71568, 1640091, 4258274));
gdp.add(new GDPRecord("Germany", 27205, 955563, 2417812));
pie = new StringChartDataModel(ChartDataModel.ChartType.pie);
pie.put("Industrial sector", 2995787);
pie.put("Agricultural sector", 188217);
pie.put("Service sector", 12500746);
}