| 2007 |
60%
|
| 1989 |
62%
|
| 2006 |
31%
|
| 2007 |
37%
|
| 2008 |
41%
|
| 2007 |
39%
|
| 1987 |
38%
|
| 1999 |
33%
|
| 2009 |
50%
|
