| 1987 |
77%
|
| 1985 |
70%
|
| 1997 |
53%
|
| 1985 |
48%
|
| 1990 |
71%
|
| 1981 |
60%
|
| 1985 |
74%
|
| 1996 |
68%
|
| 1984 |
37%
|
| 1986 |
50%
|
