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Results by year

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

Year Number of Results
1967 1
1968 1
1969 3
1970 1
1971 1
1974 1
1976 1
1977 3
1978 1
1979 2
1980 3
1981 1
1982 4
1983 5
1984 2
1985 1
1986 4
1987 3
1988 2
1989 3
1990 1
1991 2
1992 1
1993 3
1994 3
1995 3
1996 7
1997 12
1998 16
1999 19
2000 28
2001 45
2002 38
2003 59
2004 54
2005 59
2006 62
2007 61
2008 70
2009 75
2010 88
2011 90
2012 96
2013 81
2014 101
2015 86
2016 103
2017 100
2018 135
2019 116
2020 89
2021 79
2022 55
2023 38
2024 25

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Publication date

Search Results

1,688 results

Results by year

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1,688 results
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