| Value | Category | Cases | |
|---|---|---|---|
| 0 | 177 |
8.4%
|
|
| 1 | 413 |
19.6%
|
|
| 2 | 1123 |
53.2%
|
|
| 3 | 396 |
18.8%
|
|
| Sysmiss | 54 |