| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
2%
|
|
| 1 | 10 |
9.8%
|
|
| 2 | 19 |
18.6%
|
|
| 3 | 20 |
19.6%
|
|
| 4 | 16 |
15.7%
|
|
| 5 | 10 |
9.8%
|
|
| 6 | 25 |
24.5%
|
|
| Sysmiss | 897 |