| 2003 |
79%
|
| 2006 |
73%
|
| 2007 |
65%
|
| 2011 |
66%
|
| 2011 |
84%
|
| 2017 |
65%
|
| 2008 |
71%
|
| 2012 |
87%
|
| 2011 |
87%
|
| 2004 |
72%
|
| 1997 |
36%
|
| 1992 |
72%
|
