| Value | Category | Cases | |
|---|---|---|---|
| 1 | High | 33 |
27%
|
| 2 | Medium | 51 |
41.8%
|
| 3 | Low | 21 |
17.2%
|
| 4 | Not used | 17 |
13.9%
|
| Sysmiss | 36 |