| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-2 | 174 |
8.7%
|
| 2 | 2-3 | 352 |
17.6%
|
| 3 | 3-4 | 844 |
42.1%
|
| 4 | 4-6 | 633 |
31.6%
|
| Sysmiss | 4217 |