Created with Raphaël 2.1.2
469
2018
200
400
600
800
1,000
1,200
1,400
1,436
2007
1,488
2008
1,488
2009
1,586
2010
1,200
2011
1,284
2012
1,212
2013
1,022
2014
711
2015
746
2016
755
2017
469
2018
