2003 |
89%
|
2002 |
89%
|
2009 |
75%
|
2007 |
75%
|
2008 |
75%
|
2006 |
75%
|
2000 |
64%
|
1998 |
72%
|
1993 |
71%
|
1997 |
67%
|
1998 |
64%
|
2015 |
66%
|
1987 |
47%
|
1993 |
64%
|
1996 |
64%
|
1994 |
64%
|
1997 |
57%
|
1998 |
60%
|
1993 |
78%
|