breaker's yard vs dumping ground

breaker's yard

noun
  • a place where old or accident-damaged vehicles are broken up; a wreck yard 

dumping ground

noun
  • A landfill. 

  • Any place where unwanted items are sent. 

  • A presumably polyphyletic supraspecific taxon where species of unclear affinities are placed. 

How often have the words breaker's yard and dumping ground occurred in a corpus of books? (source: Google Ngram Viewer )