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Results by year

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

Year Number of Results
1991 34
1992 50
1993 48
1994 50
1995 47
1996 61
1997 88
1998 52
1999 74
2000 75
2001 66
2002 70
2003 92
2004 95
2005 136
2006 196
2007 184
2008 230
2009 204
2010 91
2011 81
2012 82
2013 89
2014 90
2015 90
2016 90
2017 90
2018 90
2019 85
2020 0
Text availability
Article attribute
Article type
Publication date

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2,730 results
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