fall on hard times vs go to the wall

fall on hard times

verb
  • To experience a difficult period, especially financially. 

go to the wall

verb
  • To fail, to run out of options. (especially of a business) 

  • To make an all-out effort. 

  • To take an extreme and determined position or measure. 

  • To be put aside or forgotten. 

How often have the words fall on hard times and go to the wall occurred in a corpus of books? (source: Google Ngram Viewer )