| 1976 |
57%
|
| 2012 |
73%
|
| 1983 |
46%
|
| 1989 |
73%
|
| 1986 |
73%
|
| 1987 |
73%
|
| 1988 |
73%
|
| 1975 |
47%
|
| 1975 |
61%
|
| 1982 |
47%
|
