| 2010 |
62%
|
| 2001 |
41%
|
| 2002 |
45%
|
| 1997 |
42%
|
| 2008 |
46%
|
| 2007 |
44%
|
| 2007 |
43%
|
| 2007 |
42%
|
| 2006 |
31%
|
| 2007 |
36%
|
| 2007 |
42%
|
| 2008 |
32%
|
