2012 |
73%
|
2003 |
79%
|
2006 |
73%
|
2011 |
66%
|
2015 |
71%
|
2000 |
53%
|
1999 |
62%
|
2002 |
66%
|
2016 |
47%
|
2014 |
29%
|
2003 |
25%
|