2012
2013
2014
2015
2016
52 %
46 %
46 %
47 %
49 %

2012
2013
2014
2015
2016
50 %
39 %
45 %
42 %
45 %

75% 77% 75% 76% 81%

21%
2013
23%
2014
28%
2015
26%
2016

57% 2012 59% 2013 64% 2014 61% 2015 63% 2016

0 % 0 % 0 % 0 % 0 % 0 % 0 % 0 % 0 % 0 % 0 % 0 % 0 % 0 % 0 % 0 % 0 % 0 % 0 % 0 % 2013 2012 2014 2015 2016 2012 2013 2014 2015 2016

0 % 0 % 0 % 0 %

27% 22% 33% 32% 31%

2012
28%
2013
31%
2014
35%
2015
31%
2016
29%
2012
20%
2013
22%
2014
26%
2015
21%
2016
22%
2012
14%
2013
17%
2014
18%
2015
26%
2016
22%

76%
74%
70%
23%
21%
20%
14%
12%
10%
18%
13%
10%
17%
13%
12%

46% 35% 35% 32% 32% 19% 32% 23% 23% 22% 10% 16% 20% 14% 19% 8% 3% 2% 6% 3% 17% 14% 19% 24% 22%

2012
37%
2014
48%
2015
35%
2016
33%
2012
90%
2013
86%
2014
96%
2015
86%
2016
86%
2012
25%
2014
34%
2015
25%
2016
19%
2012
83%
2013
89%
2014
92%
2015
89%
2016
89%