| 1989 |
68%
|
| 1991 |
79%
|
| 1990 |
79%
|
| 1997 |
64%
|
| 1987 |
78%
|
| 1997 |
64%
|
| 1993 |
64%
|
| 1996 |
64%
|
| 1994 |
64%
|
| 1995 |
64%
|
| 1990 |
73%
|
| 1992 |
52%
|
