| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. none | 3605 |
82.7%
|
| 1 | 1. low | 75 |
1.7%
|
| 2 | 2. middle | 190 |
4.4%
|
| 3 | 3. highest | 491 |
11.3%
|
| Sysmiss | 177 |