| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
3.6%
|
|
| 1 | 6 |
7.2%
|
|
| 2 | 6 |
7.2%
|
|
| 3 | 6 |
7.2%
|
|
| 4 | 22 |
26.5%
|
|
| 5 | 34 |
41%
|
|
| 6 | 6 |
7.2%
|
|
| Sysmiss | 31 |