Google Books Ngram Viewer

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

1950 - 1966 1967 - 1994 1995 - 1997 1998 - 2004 2005 - 2008 0 year old English
1950 - 1963 1964 - 1998 1999 - 2001 2002 - 2004 2005 - 2008 0 years old English
1950 - 1953 1954 - 1979 1980 - 1981 1982 - 1998 1999 - 2001 zero years old English

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