booby prize vs consolation prize

booby prize

noun
  • A prize or status, often unwelcome, awarded as a joke or disincentive to the loser of a contest or for poor performance. 

consolation prize

noun
  • An award or small item given to persons or groups of people who do not win an event but are worthy of recognition, especially in a game show. 

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