| Value | Category | Cases | |
|---|---|---|---|
| 0 | No formal schooling, no years at school | 14 |
9.6%
|
| 1 | One year | 5 |
3.4%
|
| -2 | No Answer | 122 |
83.6%
|
| -1 | Don't know | 5 |
3.4%
|