| Value | Category | Cases | |
|---|---|---|---|
| 0 | 120 |
3.3%
|
|
| 1 | 308 |
8.6%
|
|
| 2 | 652 |
18.1%
|
|
| 3 | 2517 |
70%
|
|
| Sysmiss | 1228 |