1995 |
86%
|
1993 |
86%
|
1990 |
63%
|
2003 |
75%
|
2006 |
71%
|
1989 |
45%
|
1986 |
53%
|
1997 |
77%
|
2001 |
77%
|
1996 |
77%
|
1998 |
77%
|
2009 |
72%
|
2004 |
67%
|
1991 |
39%
|
2004 |
55%
|
1998 |
64%
|
1998 |
64%
|
1985 |
67%
|
1983 |
67%
|
1987 |
53%
|