100 percent vs slap bang

100 percent

adv

  • Completely, entirely, wholly. 

  • Completely well. 

intj

  • excellent, wonderful, magnificent 

adj

  • complete, entire, whole 

  • Wholly sure; confident in one's knowledge. 

slap bang

adv

  • Exactly, precisely 

How often have the words 100 percent and slap bang occurred in a corpus of books? (source: Google Ngram Viewer )