Aborigine vs North American Indian

Aborigine

noun
  • An Aboriginal person from Australia (descending from, or a member of, one of the indigenous people(s) before British colonization), Aboriginal Australian. 

North American Indian

noun
  • A member of one of the indigenous peoples of North America (but not a member of the Aleut, Inuit, Metis, or Yupik). 

adj
  • Of or relating to the indigenous peoples of the Americas (but not the Aleut, Inuit, Metis, or Yupik). 

How often have the words Aborigine and North American Indian occurred in a corpus of books? (source: Google Ngram Viewer )