| 1979 |
70%
|
| 1966 |
75%
|
| 1969 |
74%
|
| 1983 |
75%
|
| 1980 |
71%
|
| 1978 |
65%
|
| 1976 |
65%
|
| 1985 |
74%
|
| 1971 |
79%
|
| 1989 |
61%
|
