| Value |
Category |
| -9 |
NO RESPONSE |
| -7 |
DON'T KNOW |
| 1 |
DIRT |
| 2 |
CEMENT OR FOUNDATION |
| 3 |
TILE, WOOD, OR OTHER COVERINGS |
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.