| Value | Category | Cases | |
|---|---|---|---|
| 0 | 786 |
44.7%
|
|
| 1 | 337 |
19.2%
|
|
| 2 | 204 |
11.6%
|
|
| 3 | 431 |
24.5%
|
|
| Sysmiss | 272 |