| 2006 |
89%
|
| 2003 |
73%
|
| 2000 |
76%
|
| 2009 |
74%
|
| 2008 |
66%
|
| 2010 |
67%
|
| 2009 |
69%
|
| 2011 |
74%
|
| 2005 |
71%
|
| 2007 |
74%
|
| 2008 |
71%
|
| 1995 |
57%
|
| 1994 |
60%
|
| 1987 |
64%
|
