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Results by year

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

Year Number of Results
1963 1
1966 1
1968 2
1969 4
1970 2
1971 1
1972 2
1973 3
1974 4
1975 1
1976 2
1977 3
1978 8
1979 1
1980 4
1981 5
1982 3
1983 3
1984 4
1985 3
1986 6
1987 2
1988 5
1989 3
1990 6
1991 5
1992 7
1993 8
1994 8
1995 12
1996 10
1997 17
1998 9
1999 16
2000 16
2001 18
2002 19
2003 22
2004 18
2005 14
2006 23
2007 18
2008 18
2009 17
2010 16
2011 11
2012 11
2013 9
2014 12
2015 9
2016 10
2017 9
2018 10
2019 7
2020 14
2021 14
2022 3
Text availability
Article attribute
Article type
Publication date

Search Results

458 results
Results by year
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458 results