| Value | Category | Cases | |
|---|---|---|---|
| 0 | 21 |
3%
|
|
| 1 | 26 |
3.7%
|
|
| 2 | 60 |
8.6%
|
|
| 3 | 238 |
34.1%
|
|
| 4 | 352 |
50.5%
|
|
| Sysmiss | 873 |