| 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 |
| 12 | |
| 17 | |
| 18 | |
| 20 | |
| 21 | |
| 22 | |
| 25 | |
| 28 | |
| 30 | |
| 35 | |
| 40 | |
| 42 | |
| 45 | |
| 48 | |
| 50 | |
| 52 | |
| 54 | |
| 56 | |
| 60 | |
| 62 | |
| 63 | |
| 70 | |
| 72 | |
| 75 | |
| 76 | |
| 80 | |
| 84 | |
| 92 | |
| Sysmiss |