| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
20.7%
|
|
| 1 | 7 |
24.1%
|
|
| 2 | 11 |
37.9%
|
|
| 3 | 2 |
6.9%
|
|
| 4 | 2 |
6.9%
|
|
| 8 | 1 |
3.4%
|
|
| Sysmiss | 2116 |