| Value | Category | Cases | |
|---|---|---|---|
| -9 | 1 | 23 |
3.4%
|
| -7 | 2 | 107 |
15.8%
|
| 0 | 3 | 244 |
35.9%
|
| 1 | 4 | 267 |
39.3%
|
| 2 | 5 | 10 |
1.5%
|
| 3 | 6 | 20 |
2.9%
|
| 4 | 7 | 7 |
1%
|
| 5 | 8 | 1 |
0.1%
|
| Sysmiss | 276 |