voting booth vs voting station

voting booth

noun
  • A small enclosed compartment where a voter may register a vote in private; it may house some voting machine, or just have a pencil for marking a voting slip. 

voting station

noun
  • A public place, normally used for some other function, that has been authorized for the registering of votes in an election; it will contain voting booths and officials with an up-to-date electoral register or similar list of voters; a polling station 

How often have the words voting booth and voting station occurred in a corpus of books? (source: Google Ngram Viewer )