chur vs thanks a bunch

chur

intj
  • A parting salutation: bye, see you later. 

  • A strong voicing of agreement, approval, or thanks: awesome!, cheers!, ta!, thanks!. 

adj
  • Overwhelming; demanding; intense. 

verb
  • To do something overwhelming, demanding, or intense. 

thanks a bunch

intj
  • A mildly sarcastic thank you. 

  • An unsarcastic thank you. 

How often have the words chur and thanks a bunch occurred in a corpus of books? (source: Google Ngram Viewer )