| Value | Category |
|---|---|
| -9 | don't know |
| -8 | refusal |
| 15 | |
| 40 | |
| 50 | |
| 100 | |
| 140 | |
| 150 | |
| 200 | |
| 240 | |
| 250 | |
| 300 | |
| 400 | |
| 500 | |
| 700 | |
| 1000 | |
| 1200 | |
| 1500 | |
| 2000 | |
| 2500 | |
| 3000 | |
| 3500 | |
| 4000 | |
| 5000 | |
| 6000 | |
| 7000 | |
| 7500 | |
| 8000 | |
| 8300 | |
| 10000 | |
| 11000 | |
| 12000 | |
| 15000 | |
| 16000 | |
| 16500 | |
| 17000 | |
| 20000 | |
| 25000 | |
| 27000 | |
| 30000 | |
| 40000 | |
| 60000 | |
| 70000 | |
| 90000 | |
| 100000 | |
| 150000 | |
| 200000 | |
| 250000 | |
| 296000 | |
| 300000 | |
| 500000 | |
| 700000 | |
| 1500000 | |
| 2000000 | |
| 24000000 | |
| Sysmiss |