| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2015 | 287 |
6.1%
|
| 1 | 2014 | 2372 |
50.4%
|
| 2 | 2013 | 1230 |
26.1%
|
| 3 | 2012 | 725 |
15.4%
|
| 4 | 2011 | 93 |
2%
|
| Sysmiss | 17403 |