in full swing vs on track

in full swing

prep
  • Proceeding fully, quickly, or completely; thoroughly begun and in progress. 

on track

prep
  • Proceeding as planned, as expected, or in a manner consistent with an established pattern. 

  • On a well-defined promotion path in an organisation, usually tenure. 

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