2006 |
89%
|
1997 |
86%
|
1999 |
77%
|
1997 |
77%
|
2002 |
78%
|
2003 |
78%
|
2001 |
78%
|
2008 |
60%
|
2011 |
62%
|
2008 |
65%
|
2011 |
65%
|
1999 |
63%
|
1996 |
69%
|
2008 |
71%
|
2004 |
58%
|
2014 |
64%
|
2000 |
57%
|
1992 |
54%
|
2012 |
72%
|
2012 |
68%
|
2012 |
74%
|