| Value | Category |
|---|---|
| 0 | |
| 6 | |
| 8 | Do not know |
| 9 | Not applicable, not have |
| 100 | |
| 250 | |
| 255 | |
| 300 | |
| 500 | |
| 550 | |
| 600 | |
| 700 | |
| 750 | |
| 800 | |
| 900 | |
| 1000 | |
| 1400 | |
| 1500 | |
| 2000 | |
| 2100 | |
| 2150 | |
| 2250 | |
| 2500 | |
| 2600 | |
| 3000 | |
| 3500 | |
| 3750 | |
| 4000 | |
| 4500 | |
| 5000 | |
| 5500 | |
| 6000 | |
| 7500 | |
| 8000 | |
| 10000 | |
| 11000 | |
| 14000 | |
| 15000 | |
| 18000 | |
| 20000 | |
| 25000 | |
| 25750 | |
| 31500 | |
| 35000 | |
| 50000 | |
| 60000 | |
| 355000 | |
| Sysmiss |