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Results by year

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

Year Number of Results
1955 1
1957 1
1959 2
1960 2
1961 1
1962 3
1963 2
1964 2
1965 1
1968 3
1969 5
1971 3
1972 1
1973 3
1974 3
1976 3
1977 1
1978 2
1979 2
1980 3
1981 6
1982 8
1983 7
1984 5
1985 4
1986 5
1987 19
1988 12
1989 12
1990 7
1991 7
1992 8
1993 8
1994 10
1995 15
1996 12
1997 11
1998 16
1999 17
2000 20
2001 26
2002 29
2003 32
2004 23
2005 27
2006 38
2007 39
2008 49
2009 55
2010 42
2011 50
2012 55
2013 49
2014 37
2015 55
2016 47
2017 50
2018 52
2019 61
2020 99
2021 118
2022 115
2023 99
2024 30

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Publication date

Search Results

1,413 results

Results by year

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1,413 results