| Value | Category | Cases | |
|---|---|---|---|
| 0 | 278 |
57.2%
|
|
| 1 | 41 |
8.4%
|
|
| 2 | 65 |
13.4%
|
|
| 3 | 102 |
21%
|
|
| Sysmiss | 139 |