| 1988 |
64%
|
| 1994 |
56%
|
| 1991 |
52%
|
| 2003 |
32%
|
| 1994 |
43%
|
| 2005 |
44%
|
| 2001 |
36%
|
| 2003 |
37%
|
| 2000 |
41%
|
| 2003 |
38%
|
