| 1989 |
78%
|
| 2004 |
72%
|
| 1999 |
69%
|
| 1981 |
69%
|
| 1994 |
75%
|
| 1992 |
75%
|
| 1985 |
67%
|
| 1997 |
49%
|
| 1990 |
69%
|
| 1991 |
69%
|
| 1992 |
69%
|
| 1997 |
49%
|
