caramba vs my giddy aunt

caramba

intj
  • Exclamation of surprise or dismay.; golly! 

my giddy aunt

intj
  • An exclamation of astonishment, confusion, despair, etc.: my sainted aunt, my sainted uncle. 

How often have the words caramba and my giddy aunt occurred in a corpus of books? (source: Google Ngram Viewer )