| 1984 |
78%
|
| 1976 |
79%
|
| 1979 |
70%
|
| 1982 |
67%
|
| 1985 |
66%
|
| 1989 |
63%
|
| 1990 |
65%
|
| 1979 |
70%
|
| 1988 |
55%
|
| 1992 |
58%
|
| 1988 |
44%
|
