Google Books Ngram Viewer

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

1800 - 1885 1886 - 1921 1922 1923 - 2006 2007 - 2008 she has an issue English
1800 - 1832 1833 - 1978 1979 - 1989 1990 - 2004 2005 - 2008 he has an issue English
1800 - 1887 1888 - 2003 2004 - 2005 2006 - 2007 2008 you have an issue English

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