| Value | Category | Cases | |
|---|---|---|---|
| -9 | 1 | 113 |
6.9%
|
| -7 | 2 | 277 |
17%
|
| 0 | 3 | 834 |
51.2%
|
| 1 | 4 | 340 |
20.9%
|
| 2 | 5 | 18 |
1.1%
|
| 3 | 6 | 32 |
2%
|
| 4 | 7 | 15 |
0.9%
|
| 5 | 8 | 0 |
0%
|
| Sysmiss | 366 |