Christ on a raft vs oh really

Christ on a raft

intj
  • Synonym of Christ on a bike 

oh really

intj
  • Used other than figuratively or idiomatically: see oh, really. 

  • An exclamation of surprise or amazement. 

  • Said in response to an obvious statement. 

How often have the words Christ on a raft and oh really occurred in a corpus of books? (source: Google Ngram Viewer )