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Results by year

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

Year Number of Results
1972 3
1973 1
1975 11
1976 6
1977 9
1978 6
1979 4
1980 7
1981 6
1982 8
1983 8
1984 6
1985 2
1986 4
1987 8
1988 4
1989 10
1990 3
1991 3
1992 5
1993 8
1994 11
1995 10
1996 8
1997 7
1998 13
1999 11
2000 6
2001 7
2002 10
2003 11
2004 7
2005 3
2006 7
2007 4
2008 4
2009 7
2010 2
2011 1
2012 2
2013 4
2014 3
2015 2
2017 4
2018 6
2019 8
2020 11
2021 1
Text availability
Article attribute
Article type
Publication date

Search Results

279 results
Results by year
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279 results
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