| Value | Category | Cases | |
|---|---|---|---|
| 2005 | 3 |
4.1%
|
|
| 2006 | 4 |
5.4%
|
|
| 2007 | 13 |
17.6%
|
|
| 2008 | 12 |
16.2%
|
|
| 2009 | 6 |
8.1%
|
|
| 2010 | 13 |
17.6%
|
|
| 2011 | 6 |
8.1%
|
|
| 2012 | 1 |
1.4%
|
|
| 2013 | 10 |
13.5%
|
|
| 2014 | 3 |
4.1%
|
|
| 2015 | 3 |
4.1%
|
|
| Sysmiss | 12333 |