2013 |
84%
|
2010 |
84%
|
2011 |
84%
|
2012 |
84%
|
2014 |
84%
|
2009 |
75%
|
2007 |
75%
|
2008 |
75%
|
2006 |
75%
|
2008 |
75%
|
2010 |
75%
|
2003 |
75%
|
2009 |
75%
|
2006 |
75%
|
2005 |
75%
|
2004 |
75%
|
1978 |
56%
|
1984 |
44%
|
1985 |
62%
|
1985 |
77%
|
1971 |
79%
|
1972 |
79%
|
1969 |
79%
|
1986 |
57%
|