Google Books Ngram Viewer

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

1700 - 1808 1809 - 1968 1969 - 1981 1982 - 1993 1994 - 2008 system English
1700 - 1924 1925 - 1991 1992 - 1997 1998 - 2003 2004 - 2008 data English
1700 - 1816 1817 - 1989 1990 - 1995 1996 - 2001 2002 - 2008 model English
1700 - 1767 1768 - 1946 1947 - 1963 1964 - 1984 1985 - 2008 method English
1700 - 1833 1834 - 1969 1970 - 1982 1983 - 1995 1996 - 2008 theory English
1700 - 1969 1970 - 1985 1986 - 1988 1989 - 2004 2005 - 2008 computer English

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