| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
2.4%
|
|
| 1 | 5 |
6%
|
|
| 2 | 10 |
12%
|
|
| 3 | 8 |
9.6%
|
|
| 4 | 25 |
30.1%
|
|
| 5 | 26 |
31.3%
|
|
| 6 | 7 |
8.4%
|
|
| Sysmiss | 31 |