| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 |
25%
|
|
| 1 | 13 |
40.6%
|
|
| 2 | 2 |
6.3%
|
|
| 3 | 2 |
6.3%
|
|
| 4 | 3 |
9.4%
|
|
| 5 | 2 |
6.3%
|
|
| 7 | 2 |
6.3%
|
|
| Sysmiss | 1030 |