BE vs British English

BE

noun
  • Bachelor of Engineering. 

British English

adj
  • Of or relating to, or spoken or written in British English. 

noun
  • The English language as written and spoken in the United Kingdom (in contrast with other places, particularly other countries where English is predominant or at least an important language) 

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