2011 |
81%
|
2012 |
71%
|
2014 |
79%
|
2013 |
79%
|
2009 |
76%
|
2015 |
64%
|
2017 |
58%
|
2014 |
83%
|
2023 |
50%
|
2020 |
66%
|
2010 |
80%
|