2009 |
73%
|
2006 |
69%
|
2008 |
76%
|
2010 |
73%
|
2015 |
79%
|
2019 |
79%
|
2018 |
79%
|
2013 |
75%
|
2017 |
64%
|
2018 |
64%
|
2016 |
73%
|