| 1989 |
80%
|
| 2008 |
78%
|
| 1999 |
72%
|
| 2001 |
72%
|
| 2001 |
79%
|
| 2003 |
58%
|
| 2001 |
75%
|
| 2001 |
64%
|
| 2000 |
64%
|
| 1996 |
75%
|
| 1999 |
55%
|
