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Year
2014
2,046
2006
1,852
2011
1,341
2010
1,226
2000
1,135
2001
639
2012
570
2009
534
2013
420
2005
376
2008
357
2007
204
2004
203
2002
173
1999
159
1997
138
1996
108
2015
89
1992
82
1990
69