| 1988 |
83%
|
| 1998 |
46%
|
| 1984 |
67%
|
| 1987 |
72%
|
| 1997 |
53%
|
| 1986 |
50%
|
| 1980 |
65%
|
| 1988 |
57%
|
| 1980 |
55%
|
| 1985 |
74%
|
| 1988 |
62%
|
