Google Books Ngram Viewer

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

1800 - 1870 1871 - 1901 1902 - 1911 1912 - 1979 1980 - 2008 en tous cas French
1800 - 1885 1886 - 1975 1976 - 1985 1986 - 1995 1996 - 2008 en tout cas French

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