| 1984 |
75%
|
| 1981 |
70%
|
| 1969 |
79%
|
| 1970 |
79%
|
| 1981 |
71%
|
| 1967 |
81%
|
| 1982 |
66%
|
| 1981 |
66%
|
| 1979 |
37%
|
| 1987 |
51%
|
| 1983 |
62%
|
