| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 768 |
10.5%
|
| 1 | 1-2 | 2821 |
38.5%
|
| 2 | 3-4 | 2644 |
36.1%
|
| 3 | >=5 | 1087 |
14.8%
|
| Sysmiss | 540 |