| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7 |
23.3%
|
|
| 1 | 12 |
40%
|
|
| 4 | 5 |
16.7%
|
|
| 5 | 1 |
3.3%
|
|
| 6 | 3 |
10%
|
|
| 7 | 2 |
6.7%
|
|
| Sysmiss | 1921 |