Usage History of 'optimum'

The following chart shows how frequently 'optimum' appeared in printed materials over time. For example, the word 'optimum' occurred 20 times in books in 1515 and 184,925 times in 2008. From 1515 to 2008, the word 'optimum' was used a total of 8,589,991 times in books scanned by Google. See Reference: Google Ngram project.

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