| 2007 |
50%
|
| 1997 |
71%
|
| 2005 |
57%
|
| 2014 |
78%
|
| 1990 |
74%
|
| 2003 |
87%
|
| 2005 |
63%
|
| 2010 |
78%
|
| 1999 |
70%
|
| 2006 |
59%
|
