| 1985 |
75%
|
| 1978 |
65%
|
| 1976 |
65%
|
| 1975 |
70%
|
| 1984 |
71%
|
| 1976 |
48%
|
| 1984 |
51%
|
| 1978 |
62%
|
| 1984 |
57%
|
| 1979 |
54%
|
