| Value | Category | Cases | |
|---|---|---|---|
| -555 | 598 |
46.4%
|
|
| -99 | 51 |
4%
|
|
| 0 | 195 |
15.1%
|
|
| 2014 | 25 |
1.9%
|
|
| 2015 | 96 |
7.4%
|
|
| 2016 | 287 |
22.2%
|
|
| 2017 | 38 |
2.9%
|
|
| Sysmiss | 8 |