| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
6.4%
|
|
| 1 | 17 |
36.2%
|
|
| 2 | 22 |
46.8%
|
|
| 3 | 4 |
8.5%
|
|
| 6 | 1 |
2.1%
|
|
| Sysmiss | 212 |