| Value | Category | Cases | |
|---|---|---|---|
| 0 | 139 |
6.5%
|
|
| 1 | 440 |
20.5%
|
|
| 2 | 555 |
25.8%
|
|
| 3 | 795 |
37%
|
|
| 4 | 221 |
10.3%
|
|
| Sysmiss | 13 |