2006 |
92%
|
2012 |
79%
|
2005 |
79%
|
2007 |
79%
|
2006 |
79%
|
2008 |
79%
|
2009 |
79%
|
1999 |
72%
|
2000 |
66%
|
1999 |
66%
|