| 1966 |
75%
|
| 1995 |
72%
|
| 1977 |
70%
|
| 1975 |
70%
|
| 1985 |
53%
|
| 1982 |
55%
|
| 1966 |
81%
|
| 1968 |
81%
|
| 1988 |
53%
|
| 1979 |
37%
|
