| Value |
Category |
| 1 |
Radiator (central heating) |
| 2 |
Radiator (private) |
| 3 |
Natural gas stove |
| 4 |
Stove (caol, wood) |
| 5 |
Electic heating |
| 7 |
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.