| Value | Category | Cases | |
|---|---|---|---|
| 0 | 147 |
6.1%
|
|
| 1 | 89 |
3.7%
|
|
| 2 | 341 |
14.2%
|
|
| 3 | 752 |
31.4%
|
|
| 4 | 1068 |
44.6%
|
|
| Sysmiss | 2432 |