| Value | Category | Cases | |
|---|---|---|---|
| 0 | not impaired | 453 |
58.3%
|
| 1 | Slightly impaired 5.6-7 | 319 |
41.1%
|
| 2 | Impaired 7+ | 5 |
0.6%
|
| Sysmiss | 88 |