| 1993 |
77%
|
| 2005 |
72%
|
| 2006 |
72%
|
| 2000 |
80%
|
| 1999 |
80%
|
| 2009 |
74%
|
| 1999 |
65%
|
| 2000 |
65%
|
| 2001 |
65%
|
| 1997 |
84%
|
| 2005 |
59%
|
| 1998 |
35%
|
| 2004 |
71%
|
