PC vs number cruncher

PC

noun
  • A member of the Conservative Party of Canada. 

  • A personal computer, especially one similar to an IBM PC that runs Microsoft Windows (or, originally, DOS), usually as opposed to (say) an Apple Mac. 

  • forty-nine (an allusion to a cartoon character, Police Constable 49) 

verb
  • To make politically correct. 

number cruncher

noun
  • An accountant or other person who deals with the calculation of numbers as a profession. 

  • A program, algorithm, or hardware with a focus on numerical calculation. 

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