| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. none | 2414 |
55.4%
|
| 1 | 1. low | 854 |
19.6%
|
| 2 | 2. middle | 374 |
8.6%
|
| 3 | 3. highest | 719 |
16.5%
|
| Sysmiss | 177 |