| Value |
Category |
| 1 |
District heating |
| 2 |
Central heating with own instalation |
| 3 |
Electrical energy |
| 4 |
Solid fuels |
| 5 |
Liquid fuels |
| 6 |
Combination |
| 7 |
Gas |
| 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.