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

Year Number of Results
1979 1
1980 2
1982 5
1983 15
1984 9
1985 10
1986 6
1987 8
1988 7
1989 11
1990 5
1991 7
1992 7
1993 6
1994 12
1995 5
1996 9
1997 6
1999 2
2000 4
2002 4
2003 5
2004 4
2005 5
2006 6
2007 10
2008 9
2009 20
2010 31
2011 31
2012 34
2013 44
2014 55
2015 72
2016 69
2017 51
2018 41
2019 56
2020 53
2021 54
2022 36
Text availability
Article attribute
Article type
Publication date

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