Japayuki-san vs bargirl

Japayuki-san

noun
  • A Filipina who travels to Japan to work as an entertainer, with implications of prostitution. 

bargirl

noun
  • A female who works as a hostess in a bar, typically in Southeast Asia and catering to male clients, and who may provide personal entertainment or sexual services. 

How often have the words Japayuki-san and bargirl occurred in a corpus of books? (source: Google Ngram Viewer )