| Value | Category | Cases | |
|---|---|---|---|
| 1 | medium | 161 |
34.8%
|
| 2 | no pressure | 37 |
8%
|
| 3 | low | 158 |
34.1%
|
| 4 | high | 107 |
23.1%
|
| Sysmiss | 315 |