oh em gee vs oh my God

oh em gee

intj
  • An exclamation of excitement, surprise, amazement, or shock. 

oh my God

intj
  • An expression of anger, frustration, excitement, shock, awe, dismay, etc. 

  • Said in supplication. 

How often have the words oh em gee and oh my God occurred in a corpus of books? (source: Google Ngram Viewer )