| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. none | 2888 |
64.2%
|
| 1 | 1. highest | 240 |
5.3%
|
| 2 | 2. middle | 674 |
15%
|
| 3 | 3. lowest | 696 |
15.5%
|
| Sysmiss | 40 |