Google Books Ngram Viewer

Graph these comma-separated phrases:
case-insensitive
between and from the corpus with smoothing of .  
Search in Google Books:

1910 - 1922 1923 - 1970 1971 - 1975 1976 - 1987 1988 - 2000 three fourths English
1910 - 1920 1921 - 1977 1978 - 1984 1985 - 1992 1993 - 2000 three quarters English

Run your own experiment! Raw data is available for download here.
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