| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
14.3%
|
|
| 1 | 17 |
60.7%
|
|
| 2 | 6 |
21.4%
|
|
| 3 | 1 |
3.6%
|
|
| Sysmiss | 996 |