| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal |
| -7 | Does not apply |
| 1 | |
| 5 | |
| 7 | |
| 9 | |
| 10 | |
| 11 | |
| 14 | |
| 18 | |
| 23 | |
| 24 | |
| 29 | |
| 30 | |
| 32 | |
| 33 | |
| 44 | |
| 47 | |
| 48 | |
| 50 | |
| 110 | |
| 111 | |
| 123 | |
| 180 | |
| 222 | |
| 271 | |
| 324 | |
| 480 | |
| 1111 | |
| 1172 | |
| 2525 | |
| 9999 | |
| 10172 | |
| 11111 | |
| 14202 | |
| 22525 | |
| 42001 | |
| 99999 | |
| 110218 | |
| 111111 | |
| 120035 | |
| 180322 | |
| 230034 | |
| 231190 | |
| 231610 | |
| 240348 | |
| 260000 | |
| 260001 | |
| 290001 | |
| 471090 | |
| 480138 | |
| 480162 | |
| 919172 | |
| 930180 | |
| 999999 |