| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very good | 143 |
7.1%
|
| 2 | Good | 454 |
22.5%
|
| 3 | Casual | 597 |
29.6%
|
| 4 | Bad | 176 |
8.7%
|
| 5 | Very bad | 132 |
6.5%
|
| 6 | I do not know | 516 |
25.6%
|
| Sysmiss | 4 |