| 1980 |
75%
|
| 1979 |
75%
|
| 1983 |
75%
|
| 1984 |
75%
|
| 1982 |
75%
|
| 1981 |
75%
|
| 1978 |
74%
|
| 1977 |
74%
|
| 1980 |
67%
|
| 1981 |
62%
|
