...or...select and right click an item in the Development legend...a context menu with different options will show up.

In addition, the ...show drop-down / text box will take manual keyboard input "intelligently"...e.g. if you start typing "2mon" (or something similar) and then hit the Enter key, the data from the "Last 2 month" will be displayed.

...you can try other input strings and see how the application reacts to them...