| Value | Category | Cases | |
|---|---|---|---|
| 0 | 862 |
39.4%
|
|
| 1 | 389 |
17.8%
|
|
| 2 | 248 |
11.3%
|
|
| 3 | 688 |
31.5%
|
|
| Sysmiss | 63 |