| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refused to answer |
| -7 | Not applicable |
| -6 | Still in process |
| -5 | Application denied |
| -4 | Skipped |
| -3 | Not provided |
| 0 | |
| 4000000 | |
| 5000000 | |
| 5600000 | |
| 8000000 | |
| 10475000 | |
| 12000000 | |
| 15000000 | |
| 16000000 | |
| 20000000 | |
| 39000000 | |
| 50000000 | |
| 52000000 | |
| 80000000 | |
| 150000000 | |
| Sysmiss |