Created with Raphaël 2.1.2
24,575
2016
5,000
10,000
15,000
20,000
6,637
2007
8,521
2008
14,020
2009
17,803
2010
19,451
2011
21,317
2012
22,451
2013
23,127
2014
23,800
2015
24,575
2016