| Value | Category | Cases | |
|---|---|---|---|
| -3 | Fieldwork error | 0 |
0%
|
| -1 | Missing due to skip | 0 |
0%
|
| 1 | Formal | 11755 |
85.2%
|
| 2 | Informal | 1867 |
13.5%
|
| 3 | Other | 173 |
1.3%
|