| 1990 |
73%
|
| 1988 |
69%
|
| 1991 |
66%
|
| 1990 |
66%
|
| 1998 |
42%
|
| 1989 |
72%
|
| 1990 |
80%
|
| 1993 |
67%
|
| 1994 |
72%
|
| 1981 |
60%
|
| 1996 |
64%
|
| 1994 |
56%
|
