2011 |
87%
|
2005 |
63%
|
2001 |
66%
|
2004 |
88%
|
2006 |
88%
|
2003 |
88%
|
2004 |
63%
|
2005 |
85%
|
2007 |
85%
|
2010 |
50%
|
2003 |
65%
|