| Value | Category | Cases | |
|---|---|---|---|
| 0 | 503 |
10.2%
|
|
| 1 | 725 |
14.7%
|
|
| 2 | 759 |
15.4%
|
|
| 3 | 1549 |
31.5%
|
|
| 4 | 1386 |
28.2%
|
|
| Sysmiss | 3653 |