birthplace vs native soil

birthplace

noun
  • The location where a person was born. 

  • The location where something was created or devised. 

native soil

noun
  • The country or geographical region where one was born or which one considers to be one's true homeland. 

  • Source, place of origin, principal location, or natural habitat. 

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