| Value |
Category |
| -9 |
break-off |
| -3 |
interviewer error |
| -1 |
Dk |
| 1 |
Slate |
| 2 |
Metal sheeting |
| 4 |
Concrete slab |
| 5 |
Tiles |
| 6 |
Other (specify) |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.