| 1985 |
67%
|
| 1986 |
56%
|
| 1988 |
49%
|
| 2003 |
32%
|
| 1995 |
41%
|
| 2000 |
34%
|
| 2003 |
33%
|
| 2001 |
32%
|
| 2001 |
36%
|
| 1998 |
54%
|
| 2002 |
33%
|
| 2003 |
37%
|
| 2003 |
38%
|
