Usage History of 'blah'

The following chart shows how frequently 'blah' appeared in printed materials over time. For example, the word 'blah' occurred 4 times in books in 1698 and 20,717 times in 2008. From 1698 to 2008, the word 'blah' was used a total of 264,700 times in books scanned by Google. See Reference: Google Ngram project.

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