Usage History of 'unpredictably'

The following chart shows how frequently 'unpredictably' appeared in printed materials over time. For example, the word 'unpredictably' occurred 2 times in books in 1798 and 8,459 times in 2008. From 1798 to 2008, the word 'unpredictably' was used a total of 210,763 times in books scanned by Google. See Reference: Google Ngram project.

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