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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 4
1974 7
1975 2
1976 2
1977 14
1978 2
1979 4
1980 11
1981 7
1982 4
1983 3
1984 4
1985 5
1986 3
1987 7
1988 11
1989 10
1990 7
1991 11
1992 8
1993 12
1994 4
1995 6
1996 3
1997 2
1998 1
1999 3
2000 6
2001 9
2002 17
2003 4
2004 8
2005 11
2006 7
2007 8
2008 10
2009 12
2010 9
2011 11
2012 5
2013 21
2014 7
2015 17
2016 3
2017 7
2018 9
2019 5
2020 3
2021 4
2022 2
Text availability
Article attribute
Article type
Publication date

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344 results
Results by year
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344 results