| Value | Category | Cases | |
|---|---|---|---|
| 1 | high | 1273 |
27.1%
|
| 2 | normal | 2021 |
43%
|
| 3 | low | 1100 |
23.4%
|
| 4 | none, not in operation | 305 |
6.5%
|
| Sysmiss | 5410 |