| 2004 |
82%
|
| 2000 |
83%
|
| 1998 |
84%
|
| 1996 |
84%
|
| 2005 |
73%
|
| 1997 |
79%
|
| 1999 |
74%
|
| 2000 |
70%
|
| 2000 |
69%
|
| 1996 |
72%
|
| 2006 |
54%
|
