| Value | Category | Cases | |
|---|---|---|---|
| 1 | High | 20 |
16.4%
|
| 2 | Medium | 24 |
19.7%
|
| 3 | Low | 37 |
30.3%
|
| 4 | Not used | 41 |
33.6%
|
| Sysmiss | 36 |