| Value | Category | Cases | |
|---|---|---|---|
| 0 | 67 |
8.8%
|
|
| 1 | 319 |
41.8%
|
|
| 2 | 234 |
30.6%
|
|
| 3 | 144 |
18.8%
|
|
| Sysmiss | Don't know | 0 | |
| Sysmiss | Refused to answer | 0 | |
| Sysmiss | Not applicable | 0 | |
| Sysmiss | 3693 |