beer garden vs public house

beer garden

noun
  • A restobar, a pub restaurant, a restaurant known for serving beer and food. 

  • The outdoor section of a public house, where customers can sit in the sun and enjoy their beverages. 

public house

noun
  • A pub; a British bar or tavern, often selling food and sometimes lodging; an inn. 

How often have the words beer garden and public house occurred in a corpus of books? (source: Google Ngram Viewer )