| 1976 |
65%
|
| 1985 |
67%
|
| 1968 |
79%
|
| 1967 |
79%
|
| 1969 |
79%
|
| 1966 |
79%
|
| 1970 |
79%
|
| 1978 |
70%
|
| 1974 |
84%
|
| 1979 |
66%
|
