| Value | Category | Cases | |
|---|---|---|---|
| 1 | medium | 272 |
30.6%
|
| 2 | no pressure | 155 |
17.4%
|
| 3 | low | 379 |
42.6%
|
| 4 | high | 84 |
9.4%
|
| Sysmiss | 545 |