| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 |
6.5%
|
|
| 2 | 57 |
46%
|
|
| 3 | 45 |
36.3%
|
|
| 4 | 14 |
11.3%
|
|
| Sysmiss | 7 |