2006 |
89%
|
1993 |
86%
|
1996 |
88%
|
1997 |
88%
|
2003 |
75%
|
2006 |
75%
|
1997 |
77%
|
2009 |
69%
|
2001 |
78%
|
2006 |
73%
|
2001 |
74%
|
1993 |
63%
|
2011 |
65%
|
1999 |
59%
|
2003 |
75%
|
1994 |
46%
|
2002 |
44%
|
1990 |
57%
|
1997 |
69%
|
2008 |
71%
|
2004 |
58%
|
1998 |
42%
|
1994 |
63%
|
1993 |
63%
|
1992 |
54%
|