0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
110%
120%
130%
140%
150%
160%
170%
180%
2007
26%
2008
32%
2009
36%
2010
47%
2011
62%
2012
84%
2014
154%
2016
110%
2017
80%