| Value | Category | Cases | |
|---|---|---|---|
| 0 | 236 |
18.4%
|
|
| 1 | 52 |
4%
|
|
| 2 | 45 |
3.5%
|
|
| 3 | 952 |
74.1%
|
|
| Sysmiss | 13 |