| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
1.2%
|
|
| 1 | 11 |
6.4%
|
|
| 2 | 36 |
20.9%
|
|
| 3 | 34 |
19.8%
|
|
| 4 | 21 |
12.2%
|
|
| 5 | 24 |
14%
|
|
| 6 | 44 |
25.6%
|
|
| Sysmiss | 827 |