| Value | Category |
|---|---|
| -77 | Other |
| 1 | Kenya |
| 2 | Somalia |
| 3 | South Sudan |
| 4 | Uganda |
| 5 | DRC |
| 6 | Ethiopia |
| 7 | Sudan |
| 8 | USA |
| 9 | Canada |
| 10 | Saudi Arabia |
| 11 | Qatar |
| a | Don't know |
| b | Refused to answer |
| c | Outlier set to missing |
| d | Dropped during anonymization (available on request) |
| e | Skipped in error |
| z | Not applicable |