| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. none | 3905 |
86.8%
|
| 1 | 1. highest | 120 |
2.7%
|
| 2 | 2. middle | 177 |
3.9%
|
| 3 | 3. lowest | 296 |
6.6%
|
| Sysmiss | 40 |