| 2007 |
90%
|
| 1997 |
34%
|
| 1992 |
66%
|
| 2005 |
65%
|
| 1990 |
58%
|
| 1989 |
74%
|
| 1987 |
62%
|
| 1990 |
48%
|
| 1997 |
69%
|
| 1992 |
47%
|
