| Value | Category | Cases | |
|---|---|---|---|
| 0 | 795 |
14.9%
|
|
| 1 | 222 |
4.2%
|
|
| 2 | 390 |
7.3%
|
|
| 3 | 1417 |
26.6%
|
|
| 4 | 2496 |
46.9%
|
|
| Sysmiss | 3255 |