| Value | Category | Cases | |
|---|---|---|---|
| 0 | 764 |
14.3%
|
|
| 1 | 206 |
3.8%
|
|
| 2 | 365 |
6.8%
|
|
| 3 | 1443 |
26.9%
|
|
| 4 | 2577 |
48.1%
|
|
| Sysmiss | 3220 |