Unless there's a Google Ngram distinct from the Google Books Ngram Viewer https://books.google.com/ngrams/ https://books.google.com/ngrams/ , their statistics a

Unless there's a Google Ngram distinct from the Google Books Ngram Viewer https://books.google.com/ngrams/ https://books.google.com/ngrams/ , their statistics are entirely based on material available in Google Books, which might include some newspapers, but probably not social media or TV.