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Results by year

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

Year Number of Results
1969 1
1971 1
1972 1
1973 1
1974 2
1975 1
1976 3
1977 3
1978 2
1979 4
1980 4
1981 3
1982 6
1983 6
1984 3
1985 5
1986 4
1987 6
1988 5
1989 7
1990 8
1991 7
1992 9
1993 12
1994 6
1995 5
1996 10
1997 6
1998 6
1999 10
2000 2
2001 2
2002 3
2003 8
2004 6
2005 6
2006 5
2007 10
2008 6
2009 5
2010 8
2011 12
2012 5
2013 6
2014 7
2015 6
2016 6
2017 3
2018 3
2019 3
2020 2
2021 1
Text availability
Article attribute
Article type
Publication date

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246 results
Results by year
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246 results
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