| Value | Category | Cases | |
|---|---|---|---|
| 0 | Poor | 1 |
1.4%
|
| 1 | Average | 8 |
11.6%
|
| 2 | Good | 23 |
33.3%
|
| 3 | Excellent | 16 |
23.2%
|
| 99 | Not used | 21 |
30.4%
|
| Sysmiss | 613 |