| Value | Category | Cases | |
|---|---|---|---|
| 1 | low | 359 |
40.3%
|
| 2 | no pressure | 184 |
20.7%
|
| 3 | medium | 286 |
32.1%
|
| 4 | high | 61 |
6.9%
|
| Sysmiss | 545 |