1999 |
65%
|
2008 |
64%
|
2008 |
71%
|
1978 |
67%
|
2016 |
67%
|
2021 |
70%
|
2008 |
75%
|
2010 |
75%
|
2002 |
75%
|
2003 |
75%
|
2009 |
75%
|
2006 |
75%
|
2005 |
75%
|
2004 |
75%
|
2007 |
75%
|
1980 |
68%
|
2005 |
39%
|
2003 |
52%
|
2006 |
76%
|
1984 |
57%
|
1968 |
70%
|