downturn vs on the skids

downturn

verb

  • To decline 

  • To turn downwards 

noun

  • A downward trend, or the beginnings of one; a decline. 

on the skids

prep

  • In decline; going downhill; in trouble. 

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