| Value | Category | Cases | |
|---|---|---|---|
| 2003 | 2 |
6.1%
|
|
| 2004 | 4 |
12.1%
|
|
| 2005 | 1 |
3%
|
|
| 2006 | 4 |
12.1%
|
|
| 2007 | 1 |
3%
|
|
| 2008 | 3 |
9.1%
|
|
| 2009 | 2 |
6.1%
|
|
| 2010 | 3 |
9.1%
|
|
| 2011 | 3 |
9.1%
|
|
| 2012 | 4 |
12.1%
|
|
| 2013 | 6 |
18.2%
|
|
| Sysmiss | 10883 |