| Value | Category | Cases | |
|---|---|---|---|
| -9 | 41 |
17.2%
|
|
| -6 | 47 |
19.7%
|
|
| -5 | 3 |
1.3%
|
|
| 1 | 147 |
61.8%
|
|
| Sysmiss | 491 |