| 1977 |
73%
|
| 1975 |
72%
|
| 1985 |
63%
|
| 1982 |
66%
|
| 1980 |
63%
|
| 1970 |
72%
|
| 1971 |
67%
|
| 1971 |
65%
|
| 1983 |
46%
|
| 1972 |
63%
|
| 1971 |
51%
|
| 1975 |
59%
|
| 1982 |
44%
|
| 1973 |
64%
|
