| 1962 |
85%
|
| 1980 |
59%
|
| 1992 |
48%
|
| 1977 |
58%
|
| 1990 |
72%
|
| 1990 |
62%
|
| 1981 |
62%
|
| 1977 |
56%
|
| 1995 |
63%
|
| 1990 |
52%
|
| 1995 |
69%
|
| 1990 |
66%
|
| 1990 |
70%
|
| 1992 |
63%
|
| 2013 |
46%
|
| 1995 |
--
|
