| Value | Category | Cases | |
|---|---|---|---|
| 0 | 374 |
17.4%
|
|
| 1 | 350 |
16.3%
|
|
| 2 | 778 |
36.1%
|
|
| 3 | 484 |
22.5%
|
|
| 4 | 167 |
7.8%
|
|
| Sysmiss | 10 |