2013 |
64%
|
2014 |
47%
|
1989 |
52%
|
2005 |
41%
|
2007 |
29%
|
2009 |
52%
|
2005 |
40%
|
2016 |
45%
|
2008 |
47%
|
2007 |
59%
|