| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
4.2%
|
|
| 1 | 7 |
9.9%
|
|
| 2 | 7 |
9.9%
|
|
| 3 | 17 |
23.9%
|
|
| 4 | 13 |
18.3%
|
|
| 5 | 8 |
11.3%
|
|
| 6 | 16 |
22.5%
|
|
| Sysmiss | 928 |