2005 |
84%
|
2012 |
84%
|
2016 |
75%
|
2010 |
68%
|
1993 |
86%
|
1996 |
86%
|
2007 |
75%
|
2016 |
68%
|
2008 |
77%
|
1997 |
77%
|
1996 |
77%
|
1968 |
79%
|
1969 |
79%
|
1972 |
79%
|
1978 |
70%
|
2003 |
73%
|
2009 |
57%
|
1968 |
81%
|
1967 |
81%
|
1963 |
85%
|
1964 |
85%
|
1998 |
64%
|
2008 |
40%
|
1984 |
67%
|
1987 |
53%
|
1991 |
39%
|