2010 |
76%
|
2012 |
76%
|
2015 |
76%
|
2016 |
76%
|
2014 |
76%
|
2013 |
76%
|
2011 |
76%
|
1999 |
69%
|
2007 |
78%
|
2010 |
85%
|
2014 |
54%
|
2010 |
54%
|