| 1988 |
68%
|
| 1977 |
84%
|
| 1984 |
67%
|
| 1978 |
70%
|
| 1983 |
71%
|
| 1984 |
71%
|
| 1970 |
65%
|
| 1983 |
66%
|
| 1972 |
55%
|
| 1972 |
64%
|
| 1980 |
53%
|
