2009 |
77%
|
2011 |
65%
|
2004 |
65%
|
2013 |
58%
|
1998 |
71%
|
2008 |
70%
|
2000 |
63%
|
2011 |
64%
|
1992 |
90%
|
1998 |
54%
|
2004 |
65%
|
2012 |
82%
|
2016 |
64%
|
2008 |
40%
|
1982 |
85%
|
1990 |
80%
|
1992 |
75%
|
2003 |
52%
|
1981 |
75%
|
1982 |
75%
|
1980 |
75%
|
1997 |
72%
|
1986 |
77%
|
1985 |
77%
|
1981 |
48%
|
2005 |
52%
|
1990 |
64%
|
1979 |
59%
|
1979 |
59%
|