| 1983 |
68%
|
| 1995 |
52%
|
| 2018 |
66%
|
| 1987 |
78%
|
| 2003 |
62%
|
| 2004 |
62%
|
| 2006 |
67%
|
| 1990 |
55%
|
| 1987 |
67%
|
| 1992 |
16%
|
| 2006 |
47%
|
| 2005 |
47%
|
