PiePlot.java, org.jfree.chart.plot: 3022
AbstractRenderer.java, org.jfree.chart.renderer: 3523
ContourPlot.java, org.jfree.chart.plot: 1863
DateAxis.java, org.jfree.chart.axis: 1811
ChartPanel.java, org.jfree.chart: 2451
JFreeChart.java, org.jfree.chart: 1862
CategoryPlot.java, org.jfree.chart.plot: 3679
