2004 |
92%
|
2008 |
57%
|
2009 |
64%
|
2005 |
74%
|
2006 |
69%
|
2003 |
61%
|
2003 |
63%
|
2003 |
42%
|
2007 |
47%
|
2007 |
41%
|