| Value | Category | Cases | |
|---|---|---|---|
| -9 | 2 |
0.6%
|
|
| -7 | 60 |
18.6%
|
|
| -6 | 16 |
5%
|
|
| 1 | 95 |
29.5%
|
|
| 2 | 149 |
46.3%
|
|
| Sysmiss | 80 |