| 1982 |
38%
|
| 1987 |
51%
|
| 1974 |
47%
|
| 1972 |
54%
|
| 1981 |
55%
|
| 1989 |
48%
|
| 1989 |
52%
|
| 1987 |
33%
|
| 2003 |
46%
|
| 1986 |
35%
|
