| Value | Category | Cases | |
|---|---|---|---|
| 0 | 235 |
16.4%
|
|
| 1 | 338 |
23.5%
|
|
| 2 | 378 |
26.3%
|
|
| 3 | 485 |
33.8%
|
|
| Sysmiss | 1613 |