Usage History of 'unopened'

The following chart shows how frequently 'unopened' appeared in printed materials over time. For example, the word 'unopened' occurred 2 times in books in 1621 and 30,475 times in 2008. From 1621 to 2008, the word 'unopened' was used a total of 587,426 times in books scanned by Google. See Reference: Google Ngram project.

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