| 1962 |
57%
|
| 1964 |
65%
|
| 1968 |
64%
|
| 1965 |
62%
|
| 1966 |
55%
|
| 1967 |
52%
|
| 1975 |
61%
|
| 1969 |
39%
|
| 1967 |
55%
|
| 1954 |
59%
|
