2012 |
73%
|
2009 |
90%
|
2007 |
63%
|
2007 |
70%
|
2005 |
61%
|
1997 |
69%
|
1995 |
86%
|
2001 |
57%
|
1998 |
46%
|
2005 |
54%
|
1997 |
65%
|
1993 |
68%
|
2005 |
74%
|
1997 |
71%
|
2008 |
76%
|
2000 |
53%
|
2003 |
65%
|
2002 |
69%
|
2002 |
64%
|
2001 |
56%
|
2005 |
64%
|