| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
1.4%
|
|
| 1 | 5 |
7%
|
|
| 2 | 9 |
12.7%
|
|
| 3 | 12 |
16.9%
|
|
| 4 | 11 |
15.5%
|
|
| 5 | 7 |
9.9%
|
|
| 6 | 26 |
36.6%
|
|
| Sysmiss | 928 |