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Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1965 2
1966 7
1967 6
1968 13
1969 13
1970 18
1971 15
1972 20
1973 19
1974 19
1975 16
1976 19
1977 19
1978 13
1979 15
1980 23
1981 18
1982 15
1983 17
1984 22
1985 7
1986 7
1987 9
1988 11
1989 14
1990 17
1991 12
1992 16
1993 7
1994 3
1995 12
1996 10
1997 12
1998 10
1999 14
2000 12
2001 14
2002 18
2003 25
2004 23
2005 22
2006 21
2007 33
2008 27
2009 18
2010 27
2011 34
2012 40
2013 35
2014 39
2015 35
2016 25
2017 25
2018 29
2019 23
2020 19
2021 7
2022 1
2024 0

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Publication date

Search Results

956 results

Results by year

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956 results