Value |
Category |
1 |
sheet metal |
2 |
shingle |
3 |
rubber rye |
4 |
concrete |
5 |
thatch |
6 |
asbestos |
7 |
other |
9 |
dk/ns |
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.