caterer vs provider

caterer

noun
  • A person or company hired to provide and serve food, usually for a large group and at a location separate from where the food is prepared. 

  • A person employed to obtain and maintain the storage of provisions, especially food. 

provider

noun
  • One who, or that which, provides a service, commodity, or the means for subsistence. 

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