| 2004 |
92%
|
| 2002 |
92%
|
| 1999 |
92%
|
| 2001 |
92%
|
| 2000 |
92%
|
| 2008 |
86%
|
| 1997 |
86%
|
| 2006 |
65%
|
| 2009 |
78%
|
| 2010 |
74%
|
| 1987 |
74%
|
| 1991 |
52%
|
