2007 |
64%
|
1992 |
90%
|
1997 |
67%
|
1974 |
69%
|
1977 |
72%
|
1986 |
74%
|
1989 |
74%
|
1987 |
74%
|
1980 |
58%
|
1998 |
64%
|
1993 |
80%
|
2006 |
63%
|
2012 |
65%
|
2010 |
74%
|
1985 |
74%
|
1995 |
64%
|
1996 |
64%
|
1994 |
64%
|
1986 |
53%
|
1987 |
53%
|