Created with Raphaël 2.1.2
2013
200
204
400
600
800
1,000
1,200
1,400
1,600
530
1996
738
1997
1,582
1998
741
1999
1,741
2000
245
2001
253
2002
299
2003
320
2004
457
2005
517
2006
543
2007
442
2008
438
2009
404
2010
359
2011
534
2012
204
2013