| 1999 |
69%
|
| 1980 |
52%
|
| 1982 |
65%
|
| 1988 |
77%
|
| 1994 |
55%
|
| 2001 |
46%
|
| 2001 |
46%
|
| 2001 |
46%
|
| 2001 |
46%
|
| 2007 |
43%
|
| 1991 |
42%
|
