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1998
to
1999
11
2000
to
2001
15
2002
to
2003
26
2004
to
2005
38
2006
to
2007
60
2008
to
2009
50
2010
to
2011
49
2012
to
2013
25
2014
to
2015
32
2016
to
2017
38
2018
to
2019
12