| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 6 |
0.2%
|
|
| 2011 | 173 |
5.7%
|
|
| 2012 | 317 |
10.4%
|
|
| 2013 | 378 |
12.4%
|
|
| 2014 | 866 |
28.5%
|
|
| 2015 | 488 |
16.1%
|
|
| 9998 | 810 |
26.7%
|
|
| Sysmiss | 4318 |