| Value | Category | Cases | |
|---|---|---|---|
| -9 | 5 |
3.8%
|
|
| 0 | 90 |
69.2%
|
|
| 1 | 20 |
15.4%
|
|
| 2 | 10 |
7.7%
|
|
| 3 | 4 |
3.1%
|
|
| 30 | 1 |
0.8%
|
|
| Sysmiss | 21 |