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

Year Number of Results
1979 24
1980 45
1981 37
1982 44
1983 64
1984 57
1985 51
1986 85
1987 78
1988 82
1989 95
1990 91
1991 156
1992 61
1993 72
1994 107
1995 113
1996 131
1997 108
1998 123
1999 210
2000 257
2001 195
2002 215
2003 256
2004 388
2005 627
2006 626
2007 592
2008 551
2009 614
2010 753
2011 916
2012 776
2013 772
2014 808
2015 807
2016 821
2017 650
2018 694
2019 908
2020 1343
2021 1513
2022 703
Text availability
Article attribute
Article type
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14,332 results
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