| Value | Category | Cases | |
|---|---|---|---|
| -9 | 5 |
1.6%
|
|
| 1 | 59 |
18.3%
|
|
| 2 | 27 |
8.4%
|
|
| 3 | 231 |
71.7%
|
|
| Sysmiss | 80 |