| Value | Category |
|---|---|
| 0 | |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 8 | Do not know |
| 9 | Not applicable, not have |
| 200 | |
| 300 | |
| 350 | |
| 500 | |
| 700 | |
| 750 | |
| 800 | |
| 1000 | |
| 1200 | |
| 1300 | |
| 1350 | |
| 1500 | |
| 2000 | |
| 2150 | |
| 2500 | |
| 2600 | |
| 3000 | |
| 3100 | |
| 3250 | |
| 3500 | |
| 3750 | |
| 4000 | |
| 4500 | |
| 5000 | |
| 5850 | |
| 6000 | |
| 7200 | |
| 7500 | |
| 8000 | |
| 9000 | |
| 10000 | |
| 10600 | |
| 11000 | |
| 12000 | |
| 12500 | |
| 13000 | |
| 14000 | |
| 15000 | |
| 16000 | |
| 16575 | |
| 16979 | |
| 18000 | |
| 20000 | |
| 22000 | |
| 25000 | |
| 30000 | |
| 34000 | |
| 35000 | |
| 40000 | |
| 45000 | |
| 50000 | |
| 80000 | |
| 90000 | |
| 125000 | |
| 145000 | |
| Sysmiss |