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

Year Number of Results
1984 33
1985 32
1986 46
1987 49
1988 40
1989 47
1991 66
1992 57
1993 61
1994 70
1995 78
1996 87
1997 113
1998 157
1999 169
2000 148
2001 144
2002 176
2003 185
2004 203
2005 215
2006 277
2007 255
2008 217
2009 239
2010 214
2011 191
2012 140
2013 166
2014 155
2015 183
2016 190
2017 175
2018 182
2019 185
2020 223
2021 113
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Article attribute
Article type
Publication date

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5,167 results
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