| 1983 |
71%
|
| 1978 |
65%
|
| 1977 |
65%
|
| 1985 |
77%
|
| 1969 |
79%
|
| 1970 |
79%
|
| 1982 |
71%
|
| 1974 |
84%
|
| 1978 |
62%
|
| 1982 |
66%
|
| 1977 |
72%
|
