| Value | Category | Cases | |
|---|---|---|---|
| -9 | 1 | 4 |
0.7%
|
| -7 | 2 | 113 |
19.5%
|
| 0 | 3 | 385 |
66.4%
|
| 1 | 4 | 34 |
5.9%
|
| 2 | 5 | 33 |
5.7%
|
| 3 | 6 | 10 |
1.7%
|
| 4 | 7 | 1 |
0.2%
|
| 5 | 8 | 0 |
0%
|
| Sysmiss | 1 |