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2001
1
2002
to
2003
6
2004
to
2005
16
2006
to
2007
17
2008
to
2009
21
2010
to
2011
9
2012
to
2013
6
2014
to
2015
11
2016
to
2017
6
2018
to
2019
4
2020
4