2013 |
33%
|
2017 |
67%
|
2016 |
67%
|
2018 |
67%
|
2015 |
67%
|
2014 |
67%
|
2014 |
40%
|
2015 |
40%
|
2016 |
39%
|
2017 |
39%
|
2011 |
40%
|
2018 |
35%
|
2011 |
30%
|
2015 |
27%
|
2012 |
36%
|
2010 |
24%
|
2014 |
35%
|
2013 |
35%
|
2015 |
27%
|
2017 |
30%
|
2016 |
26%
|
2018 |
28%
|
2016 |
30%
|
2016 |
32%
|
2017 |
29%
|
2015 |
41%
|
2016 |
43%
|