| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 1015 |
13%
|
| 2 | Poor | 1392 |
17.9%
|
| 3 | Good | 4082 |
52.4%
|
| 4 | Very good | 1306 |
16.8%
|
| 5 | 1 |
0%
|
|
| Sysmiss | 779 |