| 1985 |
63%
|
| 1986 |
59%
|
| 1989 |
62%
|
| 1977 |
63%
|
| 1984 |
27%
|
| 1986 |
56%
|
| 1987 |
47%
|
| 1975 |
56%
|
| 1989 |
47%
|
| 1988 |
50%
|
