| Value | Category | Cases | |
|---|---|---|---|
| 2002 | 3 |
1.6%
|
|
| 2003 | 2 |
1.1%
|
|
| 2005 | 5 |
2.7%
|
|
| 2006 | 1 |
0.5%
|
|
| 2007 | 5 |
2.7%
|
|
| 2008 | 3 |
1.6%
|
|
| 2009 | 5 |
2.7%
|
|
| 2010 | 7 |
3.7%
|
|
| 2011 | 5 |
2.7%
|
|
| 2012 | 8 |
4.3%
|
|
| 2013 | 16 |
8.5%
|
|
| 2014 | 23 |
12.2%
|
|
| 2015 | 26 |
13.8%
|
|
| 2016 | 49 |
26.1%
|
|
| 2017 | 30 |
16%
|
|
| Sysmiss | 2627 |