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1990
to
1991
3
1992
to
1994
8
1995
to
1996
13
1997
to
1999
39
2000
to
2001
26
2002
to
2004
60
2005
to
2006
56
2007
to
2009
63
2010
to
2011
44
2012
to
2014
36
2015
8