| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. received none | 110 |
3.5%
|
| 1 | 1. very poor | 79 |
2.5%
|
| 2 | 2. poor | 76 |
2.4%
|
| 3 | 3. good | 1885 |
60%
|
| 4 | 4. very good | 991 |
31.6%
|
| Sysmiss | 1397 |