| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
3.8%
|
|
| 1 | 7 |
26.9%
|
|
| 2 | 10 |
38.5%
|
|
| 3 | 6 |
23.1%
|
|
| 4 | 2 |
7.7%
|
|
| Sysmiss | 131 |