| 1994 |
86%
|
| 2003 |
60%
|
| 2000 |
53%
|
| 2007 |
57%
|
| 2002 |
51%
|
| 1996 |
77%
|
| 1998 |
77%
|
| 1994 |
56%
|
| 2004 |
45%
|
| 1991 |
44%
|
| 1997 |
69%
|
