| Value | Category | Cases | |
|---|---|---|---|
| -9 | 1 |
0.5%
|
|
| 0 | 71 |
36.8%
|
|
| 1 | 55 |
28.5%
|
|
| 2 | 42 |
21.8%
|
|
| 3 | 23 |
11.9%
|
|
| 5 | 1 |
0.5%
|
|
| Sysmiss | 22 |