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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 5
1973 3
1974 1
1975 2
1976 4
1977 1
1978 7
1979 5
1980 2
1981 1
1982 3
1983 5
1984 3
1985 8
1986 2
1987 9
1988 5
1989 4
1990 2
1991 10
1992 15
1993 18
1994 18
1995 15
1996 12
1997 11
1998 14
1999 16
2000 13
2001 26
2002 18
2003 15
2004 19
2005 7
2006 4
2007 9
2008 10
2009 11
2010 5
2011 7
2012 9
2013 8
2014 7
2015 7
2016 10
2017 5
2018 3
2019 1
2020 1
2022 0
Text availability
Article attribute
Article type
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384 results
Results by year
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384 results