| Value | Category |
|---|---|
| 0 | |
| 1 | |
| 3 | |
| 8 | Do not know |
| 9 | Not applicable, not have |
| 300 | |
| 400 | |
| 500 | |
| 600 | |
| 700 | |
| 800 | |
| 1000 | |
| 1200 | |
| 1500 | |
| 1800 | |
| 2000 | |
| 2200 | |
| 2300 | |
| 2350 | |
| 2500 | |
| 3000 | |
| 3500 | |
| 3800 | |
| 4000 | |
| 4200 | |
| 4500 | |
| 4700 | |
| 5000 | |
| 5800 | |
| 6000 | |
| 6850 | |
| 7000 | |
| 7500 | |
| 8000 | |
| 10000 | |
| 10500 | |
| 11000 | |
| 12000 | |
| 13500 | |
| 15000 | |
| 15500 | |
| 16000 | |
| 17000 | |
| 17500 | |
| 20000 | |
| 25000 | |
| 27500 | |
| 28500 | |
| 30000 | |
| 35000 | |
| 40000 | |
| 42000 | |
| 50000 | |
| 60000 | |
| 95500 | |
| 150000 | |
| 180000 | |
| Sysmiss |