2012 |
81%
|
2013 |
81%
|
2014 |
81%
|
2011 |
87%
|
2008 |
86%
|
2009 |
75%
|
2008 |
75%
|
2007 |
87%
|
2009 |
87%
|
2014 |
78%
|
2012 |
78%
|
2013 |
78%
|