| Value | Category |
|---|---|
| 0 | |
| 8 | Do not know |
| 9 | Not applicable, not have |
| 50 | |
| 100 | |
| 150 | |
| 200 | |
| 250 | |
| 300 | |
| 400 | |
| 450 | |
| 500 | |
| 550 | |
| 600 | |
| 650 | |
| 700 | |
| 800 | |
| 1000 | |
| 1200 | |
| 1300 | |
| 1400 | |
| 1500 | |
| 1750 | |
| 1800 | |
| 2000 | |
| 2500 | |
| 3000 | |
| 3200 | |
| 4000 | |
| 4500 | |
| 5000 | |
| 5500 | |
| 7000 | |
| 8000 | |
| 10000 | |
| 12000 | |
| 15000 | |
| 18500 | |
| 19000 | |
| 20000 | |
| 25000 | |
| 50000 | |
| 55000 | |
| Sysmiss |