whether estimated standing height will be in metric or imperial measures
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| inapplicable | -8 | 20405.00 | 98.58% |
| refusal | -2 | 3.00 | 0.01% |
| don't know | -1 | 15.00 | 0.07% |
| metres | 1 | 19.00 | 0.09% |
| feet and inches | 2 | 257.00 | 1.24% |
| Total | 20699.00 | 100.00% |
