booth vs voting booth

booth

noun
  • A small stall for the display and sale of goods. 

  • An enclosure for keeping animals. 

  • An enclosure just big enough to accommodate one standing person. 

  • An enclosed table with seats, as in a diner or café. 

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. 

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