sexual marketplace vs the business

sexual marketplace

noun
  • Prostitution. 

  • The way in which people's desirability as sexual or romantic partners is evaluated. 

  • A location or situation in which people are looking for sexual or romantic partners. 

the business

noun
  • prostitution 

  • Hollywood, the entertainment industry. 

How often have the words sexual marketplace and the business occurred in a corpus of books? (source: Google Ngram Viewer )