cool one's jets vs pitch a fit

cool one's jets

verb
  • To become less excited, intense, or active; to exercise self-restraint. 

pitch a fit

verb
  • To become angry, enraged, or upset; to act or react with an outburst, as by shouting, swearing, etc. 

How often have the words cool one's jets and pitch a fit occurred in a corpus of books? (source: Google Ngram Viewer )