| 1982 |
78%
|
| 1993 |
72%
|
| 1977 |
85%
|
| 1987 |
50%
|
| 1977 |
64%
|
| 1988 |
55%
|
| 1979 |
35%
|
| 1981 |
59%
|
| 1987 |
43%
|
