evenhanded vs on the fence

evenhanded

adj
  • fair and having no partiality; unbiased; just. 

on the fence

prep
  • undecided; wavering in one's opinion 

  • Used other than figuratively or idiomatically: see on, the, fence. 

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