| Value | Category | Cases | |
|---|---|---|---|
| 0 | 10 |
20.4%
|
|
| 1 | 14 |
28.6%
|
|
| 2 | 9 |
18.4%
|
|
| 3 | 11 |
22.4%
|
|
| 4 | 3 |
6.1%
|
|
| 6 | 2 |
4.1%
|
|
| Sysmiss | 182 |