2005 |
33%
|
2005 |
46%
|
2013 |
43%
|
2012 |
51%
|
2005 |
37%
|
2005 |
44%
|
1997 |
53%
|
2009 |
45%
|
2009 |
38%
|
1997 |
36%
|