| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 10 |
12.3%
|
| -88 | Other specify | 24 |
29.6%
|
| 1 | SAPEC | 13 |
16%
|
| 2 | LATA | 34 |
42%
|
| Sysmiss | 1298 |