| 2011 |
84%
|
| 2005 |
54%
|
| 1993 |
86%
|
| 1990 |
47%
|
| 1997 |
77%
|
| 2001 |
77%
|
| 2005 |
59%
|
| 1998 |
37%
|
| 1998 |
64%
|
| 1996 |
69%
|
