elite vs grade A

elite

noun
  • Someone who is among the best at a certain task. 

  • A special group or social class of people which have a superior intellectual, social or economic status as, the elite of society. 

  • A typeface with 12 characters per inch. 

adj
  • Representing the choicest or most select of a group. 

  • Of high birth or social position; aristocratic or patrician. 

grade A

How often have the words elite and grade A occurred in a corpus of books? (source: Google Ngram Viewer )