| Value | Category | Cases | |
|---|---|---|---|
| 1 | low | 252 |
75.4%
|
| 2 | no pressure | 2 |
0.6%
|
| 3 | medium | 77 |
23.1%
|
| 4 | high | 3 |
0.9%
|
| Sysmiss | 120 |