| Value | Category |
|---|---|
| 0 | |
| 1 | |
| 5 | |
| 8 | Do not know |
| 9 | Not applicable, not have |
| 15 | |
| 25 | |
| 30 | |
| 50 | |
| 80 | |
| 100 | |
| 120 | |
| 150 | |
| 160 | |
| 175 | |
| 180 | |
| 200 | |
| 250 | |
| 300 | |
| 330 | |
| 350 | |
| 360 | |
| 370 | |
| 400 | |
| 425 | |
| 450 | |
| 500 | |
| 525 | |
| 600 | |
| 700 | |
| 800 | |
| 960 | |
| 1000 | |
| 1200 | |
| 1500 | |
| 1750 | |
| 1800 | |
| 2000 | |
| 2300 | |
| 2500 | |
| 2600 | |
| 3000 | |
| 3500 | |
| 4000 | |
| 4500 | |
| 5000 | |
| 6000 | |
| 10000 | |
| 11000 | |
| 20000 | |
| Sysmiss |