Bumfuck vs sticks

Bumfuck

name
  • An imaginary place in the middle of nowhere. 

sticks

noun
  • rural terrain, especially a woody area; any rural region. 

  • Hurdles or other obstacles to be jumped over. 

  • crutches 

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