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Results by year

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

Year Number of Results
1959 1
1960 1
1961 1
1962 2
1964 1
1965 2
1966 2
1967 6
1968 4
1969 4
1970 4
1971 7
1972 3
1973 8
1974 3
1975 8
1976 3
1977 6
1978 2
1979 1
1980 8
1981 3
1982 6
1983 8
1984 8
1985 2
1986 3
1987 7
1988 4
1989 10
1990 9
1991 8
1992 15
1993 11
1994 16
1995 13
1996 18
1997 16
1998 19
1999 16
2000 21
2001 14
2002 17
2003 17
2004 14
2005 34
2006 27
2007 42
2008 43
2009 40
2010 47
2011 44
2012 50
2013 39
2014 45
2015 48
2016 45
2017 48
2018 47
2019 45
2020 30
2021 20
2022 8
2023 6
2024 3

Text availability

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Article type

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Search Results

971 results

Results by year

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971 results