| Value | Category |
|---|---|
| -9 | Don't know |
| -7 | Legal skip |
| -6 | Unfinished questionnaire |
| -3 | Interviewer error |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 8 | |
| 9 | |
| 10 | |
| 11 | |
| 12 | |
| 14 | |
| 15 | |
| 16 | |
| 18 | |
| 20 | |
| 21 | |
| 24 | |
| 25 | |
| 27 | |
| 27.5 | |
| 28 | |
| 30 | |
| 31.5 | |
| 32 | |
| 33 | |
| 35 | |
| 36 | |
| 37.5 | |
| 40 | |
| 42 | |
| 44 | |
| 45 | |
| 48 | |
| 49 | |
| 50 | |
| 52 | |
| 54 | |
| 55 | |
| 56 | |
| 60 | |
| 63 | |
| 64 | |
| 65 | |
| 66 | |
| 70 | |
| 72 | |
| 73.5 | |
| 77 | |
| 78 | |
| 80 | |
| 84 | |
| 90 | |
| 91 | |
| 96 | |
| 98 | |
| 105 | |
| 112 | |
| 119 | |
| 154 | |
| Sysmiss |