| Value | Category |
|---|---|
| -99 | Refuse to answer |
| -98 | Difficult to answer/Don't remember |
| -97 | Don't know/No information |
| -9 | Interrupted interview |
| -7 | Legal Skip |
| -3 | Interviewer error |
| 7 | |
| 15 | |
| 20 | |
| 24 | |
| 25 | |
| 29 | |
| 30 | |
| 35 | |
| 36 | |
| 40 | |
| 42 | |
| 44 | |
| 45 | |
| 48 | |
| 50 | |
| 54 | |
| 56 | |
| 60 | |
| 63 | |
| 65 | |
| 70 | |
| 72 | |
| 74 | |
| 75 | |
| 78 | |
| 80 | |
| 82 | |
| 84 | |
| 90 | |
| 92 | |
| 96 | |
| 98 | |
| 100 | |
| Sysmiss |