2005 |
72%
|
2008 |
61%
|
2012 |
79%
|
2006 |
77%
|
2005 |
72%
|
2013 |
83%
|
2008 |
41%
|
2012 |
61%
|
2011 |
77%
|
2010 |
70%
|