| Value | Category |
|---|---|
| 0 | |
| 2 | |
| 5 | |
| 6 | |
| 7 | |
| 8 | Do not know |
| 9 | Not applicable, not have |
| 10 | |
| 11 | |
| 12 | |
| 13 | |
| 14 | |
| 15 | |
| 16 | |
| 18 | |
| 20 | |
| 21 | |
| 22 | |
| 24 | |
| 25 | |
| 28 | |
| 29 | |
| 30 | |
| 33 | |
| 35 | |
| 38 | |
| 39 | |
| 40 | |
| 43 | |
| 45 | |
| 46 | |
| 49 | |
| 50 | |
| 51 | |
| 56 | |
| 60 | |
| 68 | |
| 70 | |
| 73 | |
| 76 | |
| 78 | |
| 80 | |
| 90 | |
| 96 | |
| 100 | |
| 120 | |
| 130 | |
| 135 | |
| 150 | |
| 157 | |
| 175 | |
| 186 | |
| 190 | |
| 200 | |
| 240 | |
| 243 | |
| 250 | |
| 270 | |
| 280 | |
| 300 | |
| 308 | |
| 350 | |
| 380 | |
| 400 | |
| 500 | |
| 566 | |
| 600 | |
| 650 | |
| 800 | |
| 1000 | |
| 1667 | |
| 2000 | |
| 3000 | |
| Sysmiss |