| Value | Category | Cases | |
|---|---|---|---|
| 0 | 11 |
52.4%
|
|
| 1 | 3 |
14.3%
|
|
| 2 | 1 |
4.8%
|
|
| 5 | 1 |
4.8%
|
|
| 6 | 1 |
4.8%
|
|
| 8 | 1 |
4.8%
|
|
| 77 | Don't know | 3 |
14.3%
|
| Sysmiss | 2027 |