| Value | Category | Cases | |
|---|---|---|---|
| 0 | 13 |
61.9%
|
|
| 1 | 3 |
14.3%
|
|
| 2 | 1 |
4.8%
|
|
| 12 | 1 |
4.8%
|
|
| 77 | Don't know | 3 |
14.3%
|
| Sysmiss | 2027 |