| Value |
Category |
| 0 |
None |
| 1 |
Electricity |
| 2 |
Gas |
| 3 |
Paraffin |
| 4 |
Wood |
| 5 |
Coal |
| 7 |
Animal dung |
| 8 |
Solar |
| 9 |
Other |
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.
