| Value | Category |
|---|---|
| -97 | Not applicable |
| 1 | Supplier is an acquaintance |
| 2 | Supplier is close to your establishment |
| 3 | Supplier is run by a relative |
| 4 | Supplier belongs to your association |
| 5 | Reputation of supplier |
| 1000 | Other (specify) |
| 2147483622 | Don't know |
| 2147483623 | Refused to respond |
| 10001 | .Z |
| Sysmiss |