| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
9.1%
|
|
| 1 | 23 |
52.3%
|
|
| 2 | 7 |
15.9%
|
|
| 3 | 10 |
22.7%
|
|
| Sysmiss | 1907 |