| 1971 |
63%
|
| 1977 |
65%
|
| 1982 |
71%
|
| 1980 |
49%
|
| 1973 |
59%
|
| 1985 |
48%
|
| 1969 |
39%
|
| 1979 |
59%
|
| 1974 |
43%
|
| 1981 |
62%
|
| 1973 |
49%
|
| 1973 |
44%
|
