| 1963 |
91%
|
| 1965 |
74%
|
| 1977 |
70%
|
| 1979 |
71%
|
| 1976 |
65%
|
| 1971 |
79%
|
| 1972 |
79%
|
| 1955 |
41%
|
| 1970 |
69%
|
| 1941 |
72%
|
| 1959 |
76%
|
| 1975 |
58%
|
