pull ahead vs sweep the board

pull ahead

verb
  • to move into a winning position (e.g. in a race or competition). 

sweep the board

verb
  • To win all the prizes in a competition. 

  • To get enough votes in an election to gain all the seats. 

  • To take all of the cards. 

How often have the words pull ahead and sweep the board occurred in a corpus of books? (source: Google Ngram Viewer )