| Value | Category | Cases | |
|---|---|---|---|
| 1 | low | 41 |
18.4%
|
| 2 | no pressure | 81 |
36.3%
|
| 3 | medium | 74 |
33.2%
|
| 4 | high | 27 |
12.1%
|
| Sysmiss | 189 |