| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
4.8%
|
|
| 2 | 63 |
50.8%
|
|
| 3 | 44 |
35.5%
|
|
| 4 | 11 |
8.9%
|
|
| Sysmiss | 7 |