| Value |
Category |
| 1 |
Wood/tile |
| 2 |
Tile/concrete |
| 3 |
Linoleum/reline |
| 4 |
Dirt/straw |
| 5 |
Other |
| 7 |
Missing |
| 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.