| Value | Category | Cases | |
|---|---|---|---|
| 0 | 19 |
2.7%
|
|
| 1 | 27 |
3.9%
|
|
| 2 | 39 |
5.6%
|
|
| 3 | 279 |
40%
|
|
| 4 | 333 |
47.8%
|
|
| Sysmiss | 873 |