| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
3.3%
|
|
| 1 | 27 |
14.7%
|
|
| 2 | 117 |
63.6%
|
|
| 3 | 34 |
18.5%
|
|
| Sysmiss | 416 |