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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 3
1966 9
1967 16
1968 19
1969 28
1970 29
1971 28
1972 33
1973 29
1974 42
1975 45
1976 36
1977 30
1978 28
1979 25
1980 23
1981 18
1982 15
1983 11
1984 13
1985 13
1986 20
1987 15
1988 14
1989 12
1990 28
1991 36
1992 20
1993 22
1994 17
1995 35
1996 24
1997 40
1998 38
1999 33
2000 32
2001 39
2002 50
2003 54
2004 69
2005 50
2006 67
2007 82
2008 82
2009 79
2010 97
2011 98
2012 123
2013 108
2014 88
2015 91
2016 93
2017 109
2018 85
2019 76
2020 43
2021 36
2023 1
2024 0

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Publication date

Search Results

2,278 results

Results by year

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2,278 results