| Value | Category | Cases | |
|---|---|---|---|
| 1 | High | 22 |
18.5%
|
| 2 | Medium | 40 |
33.6%
|
| 3 | Low | 32 |
26.9%
|
| 4 | Not used | 25 |
21%
|
| Sysmiss | 39 |