| Value | Category | Cases | |
|---|---|---|---|
| 0 | 18 |
8.3%
|
|
| 1 | 24 |
11.1%
|
|
| 2 | 141 |
65.3%
|
|
| 3 | 33 |
15.3%
|
|
| Sysmiss | 384 |