| 2011 |
90%
|
| 2010 |
90%
|
| 2012 |
90%
|
| 2009 |
75%
|
| 2007 |
75%
|
| 2008 |
75%
|
| 2006 |
75%
|
| 1997 |
52%
|
| 2004 |
77%
|
| 2015 |
66%
|
| 2014 |
72%
|
| 2013 |
72%
|
| 2012 |
72%
|
| 2014 |
70%
|
| 2004 |
67%
|
| 2013 |
60%
|
| 1997 |
68%
|
| 1990 |
50%
|
| 2017 |
77%
|
