| 2009 |
73%
|
| 2005 |
72%
|
| 2006 |
69%
|
| 2004 |
72%
|
| 2008 |
76%
|
| 2010 |
73%
|
| 2006 |
73%
|
| 2002 |
54%
|
| 2005 |
54%
|
| 1999 |
62%
|
| 2001 |
62%
|
| 2000 |
62%
|
