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

Year Number of Results
1997 23
1998 16
1999 22
2000 28
2001 25
2002 29
2003 32
2004 44
2005 56
2006 58
2007 50
2008 52
2009 41
2010 55
2011 86
2012 63
2013 59
2014 58
2015 61
2016 45
2017 43
2018 44
2019 38
2020 42
2021 29
2022 31
2023 0
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Publication date

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1,130 results
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1,130 results