| Value | Category | Cases | |
|---|---|---|---|
| 0 | 36 |
5.2%
|
|
| 1 | 40 |
5.7%
|
|
| 2 | 56 |
8%
|
|
| 3 | 236 |
33.9%
|
|
| 4 | 329 |
47.2%
|
|
| Sysmiss | 873 |