| Value | Category | Cases | |
|---|---|---|---|
| 0 | 328 |
15.2%
|
|
| 1 | 602 |
27.9%
|
|
| 2 | 769 |
35.7%
|
|
| 3 | 458 |
21.2%
|
|
| Sysmiss | 6 |