| Value | Category | Cases | |
|---|---|---|---|
| 0 | 38 |
5.5%
|
|
| 1 | 35 |
5%
|
|
| 2 | 86 |
12.3%
|
|
| 3 | 246 |
35.3%
|
|
| 4 | 292 |
41.9%
|
|
| Sysmiss | 873 |