| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. none | 1765 |
40.5%
|
| 1 | 1. low | 307 |
7%
|
| 2 | 2. middle | 724 |
16.6%
|
| 3 | 3. highest | 1565 |
35.9%
|
| Sysmiss | 177 |