ContourPlot.java, org.jfree.chart.plot: 1921
PiePlot.java, org.jfree.chart.plot: 2368
CategoryPlot.java, org.jfree.chart.plot: 3246
DateAxis.java, org.jfree.chart.axis: 1788
AbstractRenderer.java, org.jfree.chart.renderer: 2882
ChartPanel.java, org.jfree.chart: 2446
