| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
5.5%
|
|
| 1 | 6 |
10.9%
|
|
| 2 | 8 |
14.5%
|
|
| 3 | 8 |
14.5%
|
|
| 4 | 14 |
25.5%
|
|
| 5 | 6 |
10.9%
|
|
| 6 | 10 |
18.2%
|
|
| Sysmiss | 944 |