human resources vs men

human resources

noun
  • The personnel employed in an organization. 

  • The personnel department of an organization, dealing with the recruitment, administration, management and training of employees; abbreviated as HR. 

men

noun
  • enlisted personnel (as opposed to commissioned officers). 

  • (The) people, humanity, man(kind). 

How often have the words human resources and men occurred in a corpus of books? (source: Google Ngram Viewer )