1996 |
79%
|
1997 |
79%
|
2002 |
79%
|
2001 |
79%
|
2004 |
74%
|
2007 |
74%
|
2005 |
74%
|
2006 |
74%
|
2005 |
74%
|
1994 |
67%
|
1993 |
67%
|
1995 |
67%
|
2005 |
66%
|
1990 |
76%
|
1991 |
76%
|
1988 |
51%
|
2005 |
63%
|
1985 |
44%
|
1989 |
62%
|
1991 |
83%
|
1991 |
83%
|
1992 |
83%
|
1999 |
74%
|