| Value | Category | Cases | |
|---|---|---|---|
| 0 | 380 |
54.4%
|
|
| 1 | 134 |
19.2%
|
|
| 2 | 87 |
12.4%
|
|
| 3 | 98 |
14%
|
|
| Sysmiss | 871 |