| 1998 |
73%
|
| 1999 |
59%
|
| 2008 |
60%
|
| 2000 |
68%
|
| 2000 |
60%
|
| 2007 |
54%
|
| 2010 |
52%
|
| 2010 |
53%
|
| 1996 |
62%
|
| 2004 |
50%
|
| 2008 |
46%
|
