| Value | Category | Cases | |
|---|---|---|---|
| 0 | 14 |
66.7%
|
|
| 1 | 4 |
19%
|
|
| 3 | 1 |
4.8%
|
|
| 77 | Don't know | 2 |
9.5%
|
| Sysmiss | 2027 |