Value |
Category |
1 |
Briquette |
2 |
Electric powered heater/cooker |
3 |
Gas |
4 |
None |
5 |
Oil (e.g. furnace oil) |
6 |
Other |
7 |
Wood |
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.