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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
1975 1
1977 4
1978 1
1979 3
1980 2
1982 3
1983 2
1984 3
1985 9
1986 2
1987 1
1988 3
1989 7
1990 8
1991 10
1992 11
1993 7
1994 7
1995 12
1996 20
1997 28
1998 34
1999 50
2000 136
2001 192
2002 215
2003 266
2004 380
2005 473
2006 561
2007 600
2008 639
2009 673
2010 754
2011 887
2012 1002
2013 1110
2014 1127
2015 1104
2016 1042
2017 1031
2018 1147
2019 1146
2020 1138
2021 1123
2022 1099
2023 990
2024 427

Text availability

Article attribute

Article type

Publication date

PubMed for id: 21498

17,022 results

Results by year

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