Created with Raphaël 2.1.2
16.2%
2013
2.0
4.0
6.0
8.0
10.0
12.0
14.0
16.0%
10.9%
1994
12.2%
1996
14.1%
1999
13.7%
2002
14.9%
2005
16.6%
2008
14.9%
2010
16.2%
2013