| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. none | 1363 |
30.3%
|
| 1 | 1. highest | 1068 |
23.7%
|
| 2 | 2. middle | 1270 |
28.2%
|
| 3 | 3. lowest | 797 |
17.7%
|
| Sysmiss | 40 |