| Value | Category | Cases | |
|---|---|---|---|
| 0 | 27 |
39.7%
|
|
| 1 | 16 |
23.5%
|
|
| 2 | 18 |
26.5%
|
|
| 3 | 5 |
7.4%
|
|
| 4 | 2 |
2.9%
|
|
| Sysmiss | 8 |