It's understandable that several places don't have data (NaN), but I found it curious that Burma/Myanmar is missing from the map [1], much like the "Poland Sea" in a Microsoft Date/Time screen from yesteryear [2].

Did you create this map data or get it from somewhere else? Is this some kind of joke?

[1] http://i.imgur.com/m8Wce.png

[2] https://blogs.msdn.com/b/oldnewthing/archive/2006/10/27/8804...