bin man vs street sweeper

bin man

noun
  • A man with the job of collecting refuse from people's homes and transporting it to a refuse tip for processing. 

street sweeper

noun
  • A person who is employed to sweep streets, pavements, and gutters, keeping them clear of litter. 

  • A machine used to sweep streets. 

How often have the words bin man and street sweeper occurred in a corpus of books? (source: Google Ngram Viewer )