| Value | Category |
|---|---|
| -5 | -5. wild code |
| -4 | -4. unexp. blank |
| -3 | -3. na |
| -2 | -2. refused |
| -1 | -1. dont know |
| 1 | 1. own premises |
| 2 | 2. in residence |
| 3 | 3. on prem.,diff. bldg. |
| 4 | 4. on premises, outside |
| 5 | 5. street stand or stall |
| 6 | 6. regular loc.on street |
| 7 | 7. no fixed location |
| 8 | 8. at sea |