whether estimated weight will be in metric or imperial measures
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| inapplicable | -8 | 20078.00 | 97.00% |
| refusal | -2 | 30.00 | 0.14% |
| don't know | -1 | 56.00 | 0.27% |
| kilograms | 1 | 162.00 | 0.78% |
| stones and pounds | 2 | 373.00 | 1.80% |
| Total | 20699.00 | 100.00% |
