oh my Lord vs shiver my timbers

oh my Lord

intj
  • An expression of surprise, astonishment, shock, dismay, supplication, or consternation. 

shiver my timbers

intj
  • A mild oath expressing surprise, disbelief or annoyance. It is stereotypically regarded as being uttered by pirates. 

How often have the words oh my Lord and shiver my timbers occurred in a corpus of books? (source: Google Ngram Viewer )