| 1982 |
51%
|
| 1991 |
41%
|
| 1987 |
51%
|
| 1992 |
39%
|
| 1988 |
49%
|
| 1992 |
35%
|
| 1987 |
47%
|
| 1990 |
44%
|
| 1989 |
53%
|
| 1994 |
32%
|
