| 1998 |
53%
|
| 1993 |
58%
|
| 1998 |
39%
|
| 2003 |
40%
|
| 1990 |
45%
|
| 2008 |
44%
|
| 1993 |
50%
|
| 1991 |
37%
|
| 1990 |
44%
|
| 1992 |
46%
|
| 1989 |
39%
|
| 1990 |
49%
|
| 1998 |
54%
|
