2007 |
77%
|
2016 |
39%
|
1999 |
66%
|
2001 |
66%
|
2002 |
66%
|
2011 |
61%
|
2010 |
61%
|
2008 |
61%
|
2008 |
61%
|
2010 |
61%
|
2010 |
68%
|
2009 |
68%
|
2009 |
53%
|