| 2010 |
87%
|
| 2002 |
71%
|
| 2011 |
60%
|
| 2000 |
56%
|
| 2006 |
54%
|
| 2002 |
54%
|
| 2004 |
57%
|
| 2006 |
66%
|
| 2007 |
41%
|
| 2006 |
54%
|
| 2008 |
39%
|
| 2005 |
53%
|
