| Value | Category | Cases | |
|---|---|---|---|
| 2003 | 10 |
2.7%
|
|
| 2004 | 8 |
2.1%
|
|
| 2005 | 13 |
3.4%
|
|
| 2006 | 11 |
2.9%
|
|
| 2007 | 12 |
3.2%
|
|
| 2008 | 13 |
3.4%
|
|
| 2009 | 14 |
3.7%
|
|
| 2010 | 22 |
5.8%
|
|
| 2011 | 26 |
6.9%
|
|
| 2012 | 42 |
11.1%
|
|
| 2013 | 55 |
14.6%
|
|
| 2014 | 55 |
14.6%
|
|
| 2015 | 96 |
25.5%
|
|
| Sysmiss | 2251 |