| 2005 |
54%
|
| 1999 |
73%
|
| 2002 |
67%
|
| 2006 |
73%
|
| 1996 |
66%
|
| 2007 |
63%
|
| 1998 |
60%
|
| 1999 |
59%
|
| 1994 |
55%
|
