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Results by year

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

Year Number of Results
1981 1
1989 2
1990 1
1993 2
1994 2
1995 1
1996 3
1998 6
1999 2
2000 4
2001 2
2002 5
2003 2
2004 3
2005 8
2006 5
2007 12
2008 11
2009 15
2010 15
2011 21
2012 23
2013 34
2014 35
2015 24
2016 38
2017 49
2018 61
2019 59
2020 64
2021 79
2022 92
2023 30

Text availability

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Publication date

Search Results

635 results

Results by year

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635 results