| Value | Category |
|---|---|
| -9 | don't know |
| -8 | refusal |
| 0 | |
| 1000 | |
| 3000 | |
| 5000 | |
| 6000 | |
| 8000 | |
| 9000 | |
| 10000 | |
| 11000 | |
| 15000 | |
| 16000 | |
| 16800 | |
| 20000 | |
| 21000 | |
| 22000 | |
| 25000 | |
| 26000 | |
| 28000 | |
| 30000 | |
| 36000 | |
| 40000 | |
| 50000 | |
| 52000 | |
| 60000 | |
| 70000 | |
| 78000 | |
| 80000 | |
| 90000 | |
| 100000 | |
| 120000 | |
| 140000 | |
| 150000 | |
| 161000 | |
| 200000 | |
| 239000 | |
| 240000 | |
| 250000 | |
| 300000 | |
| 400000 | |
| 500000 | |
| 504000 | |
| 600000 | |
| 777000 | |
| 800000 | |
| 900000 | |
| 1000000 | |
| 1200000 | |
| 1500000 | |
| 1700000 | |
| 1800000 | |
| 2000000 | |
| 3000000 | |
| 5000000 | |
| 8300000 | |
| 10000000 | |
| Sysmiss |