| 1989 |
64%
|
| 1992 |
49%
|
| 1986 |
66%
|
| 1990 |
67%
|
| 1997 |
50%
|
| 2003 |
63%
|
| 1993 |
58%
|
| 1990 |
42%
|
| 1991 |
46%
|
| 1999 |
60%
|
| 1997 |
60%
|
| 1998 |
60%
|
| 2010 |
34%
|
