| Value | Category | Cases | |
|---|---|---|---|
| 0 | 17 |
21.5%
|
|
| 1 | 31 |
39.2%
|
|
| 2 | 10 |
12.7%
|
|
| 3 | 21 |
26.6%
|
|
| Sysmiss | 546 |