Usage History of 'superpro'

The following chart shows how frequently 'superpro' appeared in printed materials over time. For example, the word 'superpro' occurred 1 time in books in 1928 and 91 times in 2008. From 1928 to 2008, the word 'superpro' was used a total of 909 times in books scanned by Google. See Reference: Google Ngram project.

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