| 1978 |
67%
|
| 1961 |
91%
|
| 1960 |
85%
|
| 1955 |
85%
|
| 1957 |
85%
|
| 1956 |
85%
|
| 1958 |
85%
|
| 1963 |
85%
|
| 1962 |
85%
|
| 1964 |
85%
|
