| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal to answer |
| 0 | |
| 1000 | |
| 1100 | |
| 2000 | |
| 3000 | |
| 3600 | |
| 4000 | |
| 5000 | |
| 6000 | |
| 7200 | |
| 10000 | |
| 12000 | |
| 15000 | |
| 16500 | |
| 17400 | |
| 18000 | |
| 20000 | |
| 25000 | |
| 28800 | |
| 30000 | |
| 36000 | |
| 40000 | |
| 43000 | |
| 43750 | |
| 45000 | |
| 50000 | |
| 52200 | |
| 62500 | |
| 80000 | |
| 83200 | |
| 86000 | |
| 87500 | |
| 90000 | |
| 108000 | |
| 120000 | |
| 136000 | |
| 150000 | |
| 173000 | |
| 180000 | |
| 216000 | |
| 270000 | |
| 324000 | |
| 350000 | |
| 360000 | |
| 500000 | |
| 760000 | |
| 1540000 | |
| 1800000 | |
| 3600000 | |
| 4250000 | |
| 4500000 | |
| 5000000 | |
| Sysmiss |