2001 |
69%
|
1996 |
70%
|
2009 |
67%
|
2000 |
63%
|
2013 |
64%
|
2016 |
86%
|
1996 |
64%
|
2010 |
57%
|
2001 |
64%
|
2008 |
77%
|
2007 |
68%
|
2001 |
79%
|
1998 |
42%
|
1994 |
80%
|
2007 |
59%
|
2004 |
57%
|
1995 |
43%
|
1971 |
79%
|
1993 |
55%
|
1995 |
33%
|
1998 |
57%
|
1986 |
69%
|
2004 |
47%
|
2012 |
24%
|
1980 |
53%
|