| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
2.7%
|
|
| 1 | 8 |
21.6%
|
|
| 2 | 27 |
73%
|
|
| 4 | 1 |
2.7%
|
|
| Sysmiss | 1925 |