2001 |
86%
|
1972 |
74%
|
1997 |
65%
|
2006 |
71%
|
2008 |
78%
|
1963 |
91%
|
2005 |
47%
|
2007 |
38%
|
1996 |
45%
|
1989 |
67%
|
1959 |
85%
|
1994 |
77%
|
1997 |
52%
|
2010 |
77%
|
1994 |
78%
|
2005 |
43%
|
2021 |
75%
|
2006 |
77%
|
2009 |
67%
|