| Value | Category | Cases | |
|---|---|---|---|
| 0 | 327 |
14.9%
|
|
| 1 | 578 |
26.3%
|
|
| 2 | 1039 |
47.3%
|
|
| 3 | 253 |
11.5%
|
|
| Sysmiss | 53 |