| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-2 | 263 |
11.2%
|
| 2 | 2-3 | 476 |
20.2%
|
| 3 | 3-4 | 685 |
29.1%
|
| 4 | 4-6 | 930 |
39.5%
|
| Sysmiss | 3866 |