Source:
www.indexmundi.com
This sample orders the countries based on the unemployment rate by rendering TreeMap in the right-to-left (RTL) direction
In this example, you can see how to render a TreeMap from the right-to-left direction. The tooltip is enabled in this example. To see the tooltip in action, hover the mouse over an item or tap an item in touch-enabled devices. More information on right-to-left rendering can be found in this documentation section.