| 1989 |
65%
|
| 1990 |
67%
|
| 1993 |
64%
|
| 2003 |
63%
|
| 1996 |
54%
|
| 1993 |
58%
|
| 2000 |
44%
|
| 1998 |
47%
|
| 1990 |
42%
|
| 2004 |
31%
|
| 2005 |
38%
|
| 1998 |
49%
|
| 2010 |
34%
|
