| Value |
Category |
| 1 |
Earth, dirt, or sand |
| 2 |
Cement or concrete |
| 3 |
Tiles |
| 4 |
Marble |
| 5 |
Carpet |
| 6 |
Polished wood |
| 7 |
Brick |
| 8 |
Stone |
| 99 |
Other |
| Sysmiss |
|
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.