| Value | Category | Cases | |
|---|---|---|---|
| 0 | 146 |
6.6%
|
|
| 1 | 308 |
14%
|
|
| 2 | 416 |
18.9%
|
|
| 3 | 757 |
34.5%
|
|
| 4 | 362 |
16.5%
|
|
| 5 | 208 |
9.5%
|
|
| Sysmiss | 31 |