| Value | Category | Cases | |
|---|---|---|---|
| -9 | 10 |
5.8%
|
|
| 1 | 3 |
1.8%
|
|
| 2 | 6 |
3.5%
|
|
| 3 | 126 |
73.7%
|
|
| 4 | 26 |
15.2%
|
|
| Sysmiss | 44 |