Fritz vs sauerkraut

Fritz

noun
  • A German person, usually male. 

name
  • A male given name from German. 

  • A name used to represent the German people (particularly the German armed forces) as a group. 

sauerkraut

noun
  • A dish made by fermenting finely chopped cabbage. 

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