| Value | Category | Cases | |
|---|---|---|---|
| 0 | 14 |
45.2%
|
|
| 1 | 9 |
29%
|
|
| 2 | 7 |
22.6%
|
|
| 4 | 1 |
3.2%
|
|
| Sysmiss | 1533 |