| 1985 |
76%
|
| 1971 |
65%
|
| 1984 |
61%
|
| 1967 |
72%
|
| 1968 |
69%
|
| 1973 |
69%
|
| 1972 |
69%
|
| 1971 |
69%
|
| 1970 |
69%
|
| 1969 |
69%
|
| 1975 |
58%
|
