Google Books Ngram Viewer

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

1800 - 1956 1957 - 1980 1981 - 1982 1983 - 1996 1997 - 2000 bad apple spoils the barrel English
1800 - 1943 1944 - 1966 1967 1968 - 1997 1998 - 2000 bad apple spoils the whole English
1800 - 1965 1966 1967 - 1992 1993 - 1999 2000 bad apple spoils the bunch English

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