| Value | Category | Cases | |
|---|---|---|---|
| 0 | 20 |
44.4%
|
|
| 1 | 12 |
26.7%
|
|
| 2 | 9 |
20%
|
|
| 3 | 1 |
2.2%
|
|
| 4 | 3 |
6.7%
|
|
| Sysmiss | 205 |