| 2008 |
75%
|
| 2010 |
75%
|
| 2009 |
75%
|
| 2007 |
75%
|
| 2002 |
45%
|
| 2011 |
44%
|
| 2003 |
41%
|
| 1994 |
54%
|
| 1990 |
35%
|
| 1996 |
42%
|
| 1995 |
51%
|
