| 1956 |
85%
|
| 1953 |
85%
|
| 1955 |
85%
|
| 1962 |
72%
|
| 1966 |
72%
|
| 1965 |
72%
|
| 1963 |
72%
|
| 1967 |
72%
|
| 1968 |
69%
|
| 1973 |
69%
|
| 1972 |
69%
|
| 1971 |
69%
|
| 1970 |
69%
|
| 1969 |
69%
|
| 1977 |
69%
|
