Bushman vs aborigine

Bushman

noun
  • A person who lives in the bush, especially a member of a community or ethnic group who lives in the bush. 

  • A member of one of the foraging ethnic groups native to southwestern Africa, mostly the Kalahari. 

aborigine

noun
  • A native inhabitant of a country; a member of the original people. 

  • The native flora and fauna of an area. 

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