2011 |
82%
|
2003 |
79%
|
2008 |
66%
|
2008 |
69%
|
2004 |
74%
|
2007 |
74%
|
2005 |
74%
|
2006 |
74%
|
2005 |
74%
|
2005 |
66%
|
2000 |
68%
|
1999 |
68%
|
1999 |
68%
|
1998 |
68%
|