share taxi vs taximeter

share taxi

noun
  • A vehicle for hire, typically smaller than a bus, taking passengers on a fixed or semi-fixed route without timetables, departing when all seats are filled. 

taximeter

noun
  • A device installed in a taxicab that calculates the fare based upon distance travelled and waiting time. 

How often have the words share taxi and taximeter occurred in a corpus of books? (source: Google Ngram Viewer )