| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. none | 3389 |
75.3%
|
| 1 | 1. highest | 118 |
2.6%
|
| 2 | 2. middle | 354 |
7.9%
|
| 3 | 3. lowest | 637 |
14.2%
|
| Sysmiss | 40 |