| 1980 |
58%
|
| 1980 |
51%
|
| 1987 |
50%
|
| 1982 |
52%
|
| 1983 |
55%
|
| 1977 |
68%
|
| 1983 |
48%
|
| 2010 |
77%
|
| 1987 |
43%
|
| 1983 |
31%
|
| 1991 |
42%
|
