| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. very poor | 10 |
0.3%
|
| 2 | 2. poor | 293 |
9.1%
|
| 3 | 3. good | 2142 |
66.8%
|
| 4 | 4. very good | 643 |
20.1%
|
| 5 | 5. got none | 118 |
3.7%
|
| Sysmiss | 1332 |