| Value | Category | Cases | |
|---|---|---|---|
| 0 | 428 |
19.5%
|
|
| 1 | 379 |
17.2%
|
|
| 2 | 650 |
29.6%
|
|
| 3 | 742 |
33.7%
|
|
| Sysmiss | 3874 |