| 2008 |
46%
|
| 2009 |
35%
|
| 2012 |
55%
|
| 2010 |
51%
|
| 2011 |
49%
|
| 2009 |
56%
|
| 2005 |
59%
|
| 1998 |
33%
|
| 2013 |
44%
|
| 2005 |
37%
|
