| Value | Category | Cases | |
|---|---|---|---|
| 0 | 58 |
2.6%
|
|
| 1 | 366 |
16.5%
|
|
| 2 | 409 |
18.4%
|
|
| 3 | 191 |
8.6%
|
|
| 4 | 692 |
31.1%
|
|
| 5 | 507 |
22.8%
|
|
| Sysmiss | 6 |