| Value | Category |
|---|---|
| -777 | Not applicable |
| -666 | don't know |
| 0 | |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 7.5 | |
| 8 | |
| 9 | |
| 10 | |
| 12 | |
| 12.5 | |
| 13 | |
| 13.3 | |
| 13.33 | |
| 14 | |
| 15 | |
| 16 | |
| 16.6 | |
| 17 | |
| 18 | |
| 20 | |
| 21 | |
| 22 | |
| 23 | |
| 25 | |
| 26 | |
| 27 | |
| 28.5 | |
| 29 | |
| 30 | |
| 31 | |
| 31.25 | |
| 33 | |
| 33.3 | |
| 33.33 | |
| 33.5 | |
| 34 | |
| 35 | |
| 37 | |
| 37.5 | |
| 38 | |
| 40 | |
| 41 | |
| 42 | |
| 43 | |
| 44 | |
| 45 | |
| 46 | |
| 48 | |
| 49 | |
| 50 | |
| 54 | |
| 55 | |
| 56 | |
| 58 | |
| 59 | |
| 60 | |
| 61 | |
| 62 | |
| 63 | |
| 66 | |
| 70 | |
| 71 | |
| 73 | |
| 75 | |
| 76 | |
| 80 | |
| 81 | |
| 100 | |
| 995 | Refused |
| 999 | N/A |
| Sysmiss |