| Value | Category |
|---|---|
| 0 | |
| 1 | |
| 2 | |
| 3 | |
| 8 | Do not know |
| 9 | Not applicable, not have |
| 200 | |
| 1000 | |
| 1200 | |
| 1300 | |
| 1500 | |
| 2000 | |
| 2300 | |
| 2500 | |
| 3000 | |
| 3500 | |
| 3800 | |
| 4000 | |
| 4500 | |
| 4800 | |
| 5000 | |
| 6500 | |
| 7000 | |
| 9000 | |
| 9500 | |
| 10000 | |
| 10500 | |
| 15000 | |
| 16500 | |
| 18000 | |
| 23000 | |
| 25000 | |
| 30000 | |
| 35000 | |
| 40000 | |
| 42000 | |
| 45000 | |
| 50000 | |
| 68750 | |
| 100000 | |
| 250000 | |
| 450000 | |
| Sysmiss |