2009 |
58%
|
2016 |
69%
|
1996 |
86%
|
2005 |
75%
|
2012 |
75%
|
1996 |
77%
|
2007 |
43%
|
2015 |
69%
|
2007 |
48%
|
1999 |
61%
|
1998 |
37%
|
2015 |
47%
|
1997 |
44%
|