| Value | Category |
|---|---|
| -9 | Don't Know |
| -8 | Refused |
| -5 | Not Applicable |
| -3 | Missing |
| -2 | Not asked in Phase 2 |
| 30 | |
| 300 | |
| 500 | |
| 600 | |
| 700 | |
| 750 | |
| 1000 | |
| 1500 | |
| 2000 | |
| 2500 | |
| 3000 | |
| 3500 | |
| 4000 | |
| 4500 | |
| 5000 | |
| 6000 | |
| 8000 | |
| 10000 | |
| 13000 | |
| 14000 | |
| 15000 | |
| 16000 | |
| 20000 | |
| 25000 | |
| 30000 | |
| 40000 | |
| 45000 | |
| 50000 | |
| 60000 | |
| 80000 | |
| 100000 | |
| 120000 | |
| 150000 | |
| 160000 | |
| 200000 | |
| 250000 | |
| 1000000 | |
| 2000000 | |
| Sysmiss |