| 1961 |
91%
|
| 1963 |
91%
|
| 1994 |
56%
|
| 1968 |
79%
|
| 1972 |
79%
|
| 1970 |
79%
|
| 1966 |
79%
|
| 1976 |
79%
|
| 1975 |
75%
|
| 1978 |
70%
|
| 1967 |
81%
|
| 1983 |
66%
|
| 1994 |
28%
|
