| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. none | 3068 |
68.2%
|
| 1 | 1. highest | 293 |
6.5%
|
| 2 | 2. middle | 425 |
9.4%
|
| 3 | 3. lowest | 712 |
15.8%
|
| Sysmiss | 40 |