| 1985 |
75%
|
| 1982 |
75%
|
| 1978 |
65%
|
| 1977 |
65%
|
| 1976 |
65%
|
| 1984 |
71%
|
| 1983 |
66%
|
| 1984 |
66%
|
| 1988 |
42%
|
| 1994 |
84%
|
