Bumblefuck vs Whateverville

Bumblefuck

name
  • An isolated or backward location; the middle of nowhere. 

Whateverville

name
  • A substitute placename for an inhabited place, a city or town, with an unknown or unspecified name. 

How often have the words Bumblefuck and Whateverville occurred in a corpus of books? (source: Google Ngram Viewer )