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1991
1
1992
to
1994
0
1995
to
1996
0
1997
to
1999
2
2000
to
2001
5
2002
to
2004
12
2005
to
2006
8
2007
to
2009
20
2010
to
2011
15
2012
to
2014
53
2015
to
2016
30
2017
to
2019
31