robbery vs white-collar crime

robbery

noun
  • The act or practice of robbing. 

  • The offense of taking or attempting to take the property of another by force or threat of force. 

white-collar crime

noun
  • Non-violent crime, generally for personal gain and often involving money. 

How often have the words robbery and white-collar crime occurred in a corpus of books? (source: Google Ngram Viewer )