| Value | Category | Cases | |
|---|---|---|---|
| 0 | 230 |
29.1%
|
|
| 1 | 234 |
29.6%
|
|
| 2 | 178 |
22.5%
|
|
| 3 | 148 |
18.7%
|
|
| Sysmiss | 905 |