| Value | Category |
|---|---|
| -99 | Don't know |
| -98 | Refused to answer |
| -95 | |
| -90 | Not asked by interviewer |
| 1 | Yes |
| 2 | No |
| 500 | |
| 2000 | |
| 3000 | |
| 4000 | |
| 4648 | |
| 5000 | |
| 6000 | |
| 7000 | |
| 7510 | |
| 8000 | |
| 9000 | |
| 10000 | |
| 13000 | |
| 14400 | |
| 15000 | |
| 16000 | |
| 17000 | |
| 18000 | |
| 20000 | |
| 29400 | |
| 30000 | |
| 40000 | |
| 44670 | |
| 50000 | |
| 54084 | |
| 72000 | |
| 78000 | |
| 155719 | |
| 200000 | |
| 450000 | |
| 500000 | |
| 900000 | |
| 1000000 | |
| 1200000 | |
| 1500000 | |
| 5000000 |