| Value | Category | Cases | |
|---|---|---|---|
| 0 | 33 |
76.7%
|
|
| 2 | 2 |
4.7%
|
|
| 3 | 3 |
7%
|
|
| 4 | 2 |
4.7%
|
|
| 6 | 1 |
2.3%
|
|
| 7 | 2 |
4.7%
|
|
| Sysmiss | 38 |