| Value | Category | Cases | |
|---|---|---|---|
| 0 | 42 |
5.2%
|
|
| 1 | 37 |
4.6%
|
|
| 2 | 46 |
5.7%
|
|
| 3 | 275 |
34.1%
|
|
| 4 | 406 |
50.4%
|
|
| Sysmiss | 889 |