| Value | Category | Cases | |
|---|---|---|---|
| 0 | 217 |
9.1%
|
|
| 1 | 88 |
3.7%
|
|
| 2 | 53 |
2.2%
|
|
| 3 | 592 |
24.7%
|
|
| 4 | 1447 |
60.4%
|
|
| Sysmiss | 2432 |