| 1996 |
70%
|
| 1997 |
83%
|
| 1988 |
69%
|
| 1996 |
62%
|
| 1996 |
67%
|
| 1993 |
67%
|
| 1996 |
64%
|
| 1994 |
64%
|
| 1986 |
69%
|
| 1997 |
48%
|
