Google Books Ngram Viewer

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

1940 - 1980 1981 - 1997 1998 1999 2000 projektmanagement German
1940 - 1943 1944 - 1963 1964 1965 - 1987 1988 - 2000 scrum German
1940 - 1946 1947 - 1987 1988 - 1992 1993 - 1996 1997 - 2000 agil German
1940 - 1956 1957 - 1992 1993 1994 - 1997 1998 - 2000 xp German

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