| 1991 |
85%
|
| 1993 |
86%
|
| 1993 |
76%
|
| 2001 |
83%
|
| 1990 |
74%
|
| 1997 |
67%
|
| 1998 |
57%
|
| 2001 |
50%
|
| 1993 |
42%
|
| 1997 |
68%
|
| 1998 |
31%
|
| 1997 |
68%
|
