| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.3%
|
|
| 1 | Very poor | 27 |
3.4%
|
| 2 | Poor | 45 |
5.6%
|
| 3 | Neither poor, nor good | 141 |
17.7%
|
| 4 | Good | 445 |
55.8%
|
| 5 | Very good | 138 |
17.3%
|
| Sysmiss | 23 |