| Value | Category | Cases | |
|---|---|---|---|
| 0 | 11 |
35.5%
|
|
| 1 | 8 |
25.8%
|
|
| 2 | 7 |
22.6%
|
|
| 3 | 4 |
12.9%
|
|
| 6 | 1 |
3.2%
|
|
| Sysmiss | 19 |