| 1960 |
91%
|
| 1959 |
85%
|
| 1958 |
85%
|
| 1981 |
75%
|
| 1976 |
65%
|
| 1985 |
77%
|
| 1963 |
85%
|
| 1962 |
85%
|
| 1964 |
85%
|
| 1979 |
54%
|
