| Value | Category | Cases | |
|---|---|---|---|
| 0 | 47 |
17.7%
|
|
| 1 | 83 |
31.3%
|
|
| 2 | 96 |
36.2%
|
|
| 3 | 39 |
14.7%
|
|
| Sysmiss | 341 |