| 1990 |
71%
|
| 1988 |
69%
|
| 2005 |
66%
|
| 1985 |
78%
|
| 1996 |
68%
|
| 1994 |
68%
|
| 1995 |
68%
|
| 1997 |
68%
|
| 1994 |
68%
|
| 1999 |
60%
|
| 1997 |
60%
|
| 1998 |
60%
|
