| Value | Category | Cases | |
|---|---|---|---|
| 0 | 18 |
46.2%
|
|
| 1 | 13 |
33.3%
|
|
| 2 | 7 |
17.9%
|
|
| 5 | 1 |
2.6%
|
|
| Sysmiss | 1 |