Usage History of 'nonproductive'

The following chart shows how frequently 'nonproductive' appeared in printed materials over time. For example, the word 'nonproductive' occurred 6 times in books in 1807 and 7,423 times in 2008. From 1807 to 2008, the word 'nonproductive' was used a total of 318,208 times in books scanned by Google. See Reference: Google Ngram project.

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