2010 |
84%
|
2001 |
75%
|
1994 |
67%
|
1994 |
80%
|
2012 |
27%
|
2015 |
32%
|
2008 |
42%
|
2013 |
24%
|
2013 |
30%
|
2007 |
39%
|
2009 |
37%
|
2009 |
41%
|