| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. none | 3346 |
76.7%
|
| 1 | 1. highest | 305 |
7%
|
| 2 | 2. middle | 212 |
4.9%
|
| 3 | 3. lowest | 498 |
11.4%
|
| Sysmiss | 177 |