| 1978 |
82%
|
| 1964 |
78%
|
| 1974 |
80%
|
| 1960 |
85%
|
| 1969 |
74%
|
| 1978 |
65%
|
| 1970 |
79%
|
| 1978 |
70%
|
| 1965 |
81%
|
| 1968 |
81%
|
| 1967 |
81%
|
| 1971 |
79%
|
| 1969 |
79%
|
| 1964 |
85%
|
| 1991 |
41%
|
| 1966 |
63%
|
| 1981 |
57%
|
