Google Books Ngram Viewer

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

1960 - 1965 1966 - 1992 1993 - 1996 1997 - 2001 2002 - 2008 decline in English
1960 - 1964 1965 - 1994 1995 - 1999 2000 - 2005 2006 - 2008 decline of English
1960 - 1965 1966 - 1992 1993 - 1996 1997 - 2001 2002 - 2008 growth in English
1960 - 1963 1964 - 1979 1980 - 1983 1984 - 1999 2000 - 2008 growth of English

Excluding ngrams with part-of-speech tags from search links.

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