Created with Raphaël 2.1.2
8.4
2016
2.0
4.0
6.0
8.0
10.0
12.0
14.0
16.0
16.9
2006
14.4
2007
15.0
2008
10.5
2009
11.6
2010
11.1
2011
10.1
2012
9.3
2013
8.5
2014
9.0
2015
8.4
2016