2006 |
78%
|
2013 |
70%
|
2016 |
72%
|
2013 |
70%
|
2013 |
65%
|
2017 |
69%
|
2016 |
56%
|
2017 |
54%
|
2013 |
66%
|
2017 |
52%
|
2018 |
63%
|
2018 |
72%
|
2018 |
66%
|
2012 |
30%
|