| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. none | 259 |
5.8%
|
| 1 | 1. highest | 2478 |
55.1%
|
| 2 | 2. middle | 1157 |
25.7%
|
| 3 | 3. lowest | 604 |
13.4%
|
| Sysmiss | 40 |