2011 |
77%
|
2012 |
81%
|
2014 |
81%
|
2015 |
81%
|
2012 |
86%
|
2013 |
86%
|
2009 |
86%
|
2014 |
86%
|
2010 |
86%
|
2011 |
86%
|
2008 |
86%
|
2015 |
79%
|
2014 |
75%
|
2013 |
75%
|
2015 |
75%
|
2016 |
75%
|
2014 |
70%
|
2017 |
49%
|