| Value | Category |
|---|---|
| -98 | DK |
| -97 | Declined |
| 0 | No |
| 1 | Yes |
| 2 | Business was inherited or transferred for free (gift), |
| a | Don't know |
| b | Refused to answer |
| c | Outlier set to missing |
| d | Dropped during anonymization (available on request) |
| e | Skipped in error |
| m | Not available in wave |
| z | Not applicable |