interviewer: record the number of dwelling units at the address.
Datafile
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| missing | -9 | 1529 | 64.95% |
| don't know | -1 | 5 | 0.21% |
| Total | 2354 | 100.0% |
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| missing | -9 | 12 | 0.43% |
| inapplicable | -8 | 528 | 18.95% |
| don't know | -1 | 61 | 2.19% |
| Total | 2786 | 100.0% |
