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

Year Number of Results
1946 1
1947 1
1950 6
1951 3
1954 2
1957 2
1958 1
1965 2
1968 2
1969 1
1970 3
1973 3
1976 1
1980 1
1982 4
1983 1
1984 1
1985 1
1986 4
1988 3
1989 1
1990 4
1991 2
1992 2
1993 4
1994 4
1995 4
1996 3
1997 3
1998 1
1999 4
2000 10
2001 6
2002 23
2003 20
2004 24
2005 32
2006 42
2007 47
2008 62
2009 81
2010 87
2011 109
2012 145
2013 152
2014 191
2015 189
2016 189
2017 188
2018 234
2019 234
2020 267
2021 155
Text availability
Article attribute
Article type
Publication date

Search Results

2,295 results
Results by year
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