| Value | Category | Cases | |
|---|---|---|---|
| 0 | 91 |
3.8%
|
|
| 1 | 91 |
3.8%
|
|
| 2 | 262 |
10.9%
|
|
| 3 | 841 |
35.1%
|
|
| 4 | 1112 |
46.4%
|
|
| Sysmiss | 2432 |