| Value | Category | Cases | |
|---|---|---|---|
| 0 | 434 |
20.2%
|
|
| 1 | 181 |
8.4%
|
|
| 2 | 635 |
29.5%
|
|
| 3 | 675 |
31.4%
|
|
| 4 | 226 |
10.5%
|
|
| Sysmiss | 12 |