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

Year Number of Results
2002 3
2003 2
2004 2
2005 1
2006 3
2007 2
2008 2
2009 3
2010 6
2011 9
2012 14
2013 9
2014 11
2015 6
2016 9
2017 9
2018 9
2019 12
2020 14
2021 16
2022 14
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142 results
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Did you mean chenggong liu (4 results)?
142 results