| 2001 |
64%
|
| 2004 |
72%
|
| 2006 |
73%
|
| 2007 |
77%
|
| 2004 |
60%
|
| 1999 |
56%
|
| 2009 |
51%
|
| 2001 |
57%
|
| 1997 |
57%
|
| 2006 |
37%
|
| 2004 |
47%
|
