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Results by year

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

Year Number of Results
1952 1
1954 1
1955 1
1956 1
1957 2
1958 3
1961 1
1965 1
1969 1
1970 1
1972 1
1973 1
1978 1
1980 3
1981 1
1982 1
1983 2
1985 1
1986 1
1987 1
1988 1
1989 1
1990 5
1991 1
1992 4
1993 7
1994 6
1995 3
1996 3
1997 5
1998 13
1999 14
2000 22
2001 11
2002 29
2003 43
2004 57
2005 71
2006 117
2007 148
2008 144
2009 82
2010 43
2011 54
2012 53
2013 60
2014 44
2015 50
2016 38
2017 36
2018 35
2019 24
2020 3
Text availability
Article attribute
Article type
Publication date

Search Results

1,092 results
Results by year
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