| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 1 |
3.6%
|
| 2 | 1 | 8 |
28.6%
|
| 3 | 2 | 12 |
42.9%
|
| 4 | 3 | 7 |
25%
|
| Sysmiss | 1690 |