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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 1
1966 2
1967 1
1968 3
1969 1
1971 2
1972 1
1973 1
1974 2
1975 4
1976 1
1977 4
1978 2
1979 3
1980 3
1981 7
1982 7
1983 2
1984 5
1985 3
1986 2
1987 3
1988 2
1989 3
1990 2
1991 1
1992 5
1993 6
1994 9
1995 7
1996 7
1997 8
1998 9
1999 6
2000 7
2001 11
2002 8
2003 8
2004 8
2005 10
2006 20
2007 11
2008 25
2009 24
2010 20
2011 27
2012 32
2013 41
2014 36
2015 33
2016 35
2017 55
2018 60
2019 62
2020 52
2021 55
2022 41
2023 31
2024 22

Text availability

Article attribute

Article type

Publication date

Search Results

771 results

Results by year

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771 results
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