go to vs you don't say

go to

noun
  • The branching construct GOTO. 

verb
  • To attend an event or a sight. 

  • To attend classes at a school as a student. 

  • Used other than figuratively or idiomatically: see go, to. 

  • To tend to support. 

you don't say

intj
  • Really?; no kidding!; is that so? (sometimes used sarcastically in response to the obvious) 

How often have the words go to and you don't say occurred in a corpus of books? (source: Google Ngram Viewer )