| 1992 |
60%
|
| 1996 |
45%
|
| 2002 |
62%
|
| 1999 |
70%
|
| 1990 |
57%
|
| 2004 |
67%
|
| 1986 |
51%
|
| 2003 |
54%
|
| 1989 |
45%
|
| 1996 |
57%
|
