Murican vs Western Hemispherian

Murican

noun

  • An American (inhabitant of the USA). 

name

  • American English 

adj

  • American (of the USA). 

Western Hemispherian

noun

  • An inhabitant of the Western Hemisphere 

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