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Results by year

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

Year Number of Results
1973 2
1974 3
1975 7
1976 6
1977 5
1978 1
1979 4
1980 5
1981 5
1982 4
1983 2
1984 8
1985 1
1986 3
1987 2
1989 2
1990 5
1991 6
1992 4
1993 4
1994 7
1995 5
1996 7
1997 4
1998 3
2000 5
2001 4
2002 5
2003 11
2004 6
2005 16
2006 4
2007 2
2008 9
2009 6
2010 10
2011 15
2012 10
2013 13
2014 10
2015 23
2016 10
2017 5
2018 5
2019 2
2020 5
2021 5
Text availability
Article attribute
Article type
Publication date

Search Results

267 results
Results by year
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267 results