| 2002 |
72%
|
| 2003 |
73%
|
| 2001 |
67%
|
| 1998 |
73%
|
| 2004 |
56%
|
| 1991 |
71%
|
| 2010 |
48%
|
| 1998 |
57%
|
| 1994 |
57%
|
| 2008 |
27%
|
