all over the map vs everywhere

all over the map

prep
  • Widely scattered or distributed; numerous and differing greatly. 

  • In widely scattered directions; in a widely varying manner. 

everywhere

adv
  • In or to a few or more locations. 

  • In or to all locations under discussion. 

How often have the words all over the map and everywhere occurred in a corpus of books? (source: Google Ngram Viewer )