| Value | Category | Cases | |
|---|---|---|---|
| 1 | Low | 688 |
15.7%
|
| 2 | Neither low nor high | 532 |
12.1%
|
| 3 | None | 2966 |
67.7%
|
| 4 | Very Low | 196 |
4.5%
|
| Sysmiss | 62 |