| Value | Category | Cases | |
|---|---|---|---|
| 0 | 48 |
23.1%
|
|
| 1 | 39 |
18.8%
|
|
| 2 | 62 |
29.8%
|
|
| 3 | 51 |
24.5%
|
|
| 4 | 8 |
3.8%
|
|
| Sysmiss | 76 |