| 1980 |
81%
|
| 1976 |
74%
|
| 1984 |
67%
|
| 1971 |
79%
|
| 1969 |
79%
|
| 1970 |
79%
|
| 1972 |
79%
|
| 1966 |
79%
|
| 1962 |
85%
|
| 1981 |
48%
|
