2009 |
76%
|
2013 |
75%
|
2015 |
75%
|
2015 |
75%
|
2002 |
75%
|
2001 |
77%
|
2011 |
73%
|
2006 |
63%
|
2001 |
74%
|
2006 |
58%
|
2000 |
52%
|