| Value | Category |
|---|---|
| 1 | interview completed |
| 2 | refusal converted |
| 3 | partly completed |
| 4 | status not determined |
| 5 | no usable information |
| 6 | dwelling unit did not exist |
| 7 | dwelling unit is vacant |
| 8 | dwelling unit under construction |
| 9 | not eligible |
| 10 | no contact |
| 11 | refusal |