I don't care vs bleh

I don't care

phrase
  • Indicates that the speaker has no interest or emotional investment in the topic at hand. 

bleh

intj
  • Used to reflect general indifference to a situation or topic. 

  • An expression of mild disgust, possible imitative of vomiting 

adj
  • Mildly uncomfortable; not good. 

How often have the words I don't care and bleh occurred in a corpus of books? (source: Google Ngram Viewer )