| 2010 |
86%
|
| 2005 |
84%
|
| 2001 |
84%
|
| 2010 |
84%
|
| 2012 |
80%
|
| 2008 |
90%
|
| 1992 |
90%
|
| 1991 |
84%
|
| 1989 |
81%
|
| 2006 |
77%
|
