Google Books Ngram Viewer

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

1800 - 1877 1878 - 1943 1944 - 1952 1953 - 1982 1983 - 2000 interested to hear English
1800 - 1862 1863 - 1965 1966 - 1980 1981 - 1991 1992 - 2000 interested in hearing English

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