pork barrel vs proceeds

pork barrel

noun
  • A ready supply of income; one's livelihood. 

  • State funds as assigned for local or regional expenditure; especially, central money used for regional projects which are eyecatching or designed to appeal to voters. 

proceeds

noun
  • Profit; net revenue. 

  • Revenue; gross revenue. 

How often have the words pork barrel and proceeds occurred in a corpus of books? (source: Google Ngram Viewer )