The next step is to add a legend that identifies the box types in the chart.
To add a legend to the chart:
1 In the Basic Chart, choose Format > Legends.
the Define Legends dialog box, click Automatic under Legend options.
The conditional format Headcount Above 3 appears in the table. If you had more fields with conditional formatting, they would be listed. You could select which fields you wanted to include or exclude from the legend.
the default Position as Upper left, and click OK.
the chart window, click the Legend arrow to display the legend.