| 1962 |
57%
|
| 1964 |
65%
|
| 1974 |
62%
|
| 1964 |
65%
|
| 1965 |
62%
|
| 1973 |
48%
|
| 1985 |
61%
|
| 1989 |
65%
|
| 1966 |
55%
|
| 1967 |
52%
|
| 1972 |
56%
|
| 1969 |
39%
|
| 1961 |
66%
|
| 1984 |
68%
|
