Blighty vs Old Blighty

Blighty

name

  • Great Britain, Britain, or England, especially as viewed from abroad. 

noun

  • Synonym of Blighty one 

Old Blighty

name

  • Great Britain, Britain, or England, especially as viewed from abroad 

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