| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
2.4%
|
|
| 1 | 7 |
8.4%
|
|
| 2 | 5 |
6%
|
|
| 3 | 11 |
13.3%
|
|
| 4 | 29 |
34.9%
|
|
| 5 | 25 |
30.1%
|
|
| 6 | 4 |
4.8%
|
|
| Sysmiss | 31 |