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1994
2
1995
to
1996
6
1997
to
1999
15
2000
to
2001
9
2002
to
2004
21
2005
to
2006
17
2007
to
2009
28
2010
to
2011
23
2012
to
2014
28
2015
to
2016
15
2017
3