| 1952 |
85%
|
| 1964 |
74%
|
| 1977 |
67%
|
| 1956 |
63%
|
| 1974 |
84%
|
| 1983 |
72%
|
| 1982 |
72%
|
| 1981 |
72%
|
| 1962 |
72%
|
| 1963 |
72%
|
| 1973 |
69%
|
| 1977 |
63%
|
| 1977 |
70%
|
| 1967 |
72%
|
| 1967 |
70%
|
