| Value |
Category |
| 1 |
Public Network |
| 2 |
Own network / auton |
| 3 |
Nat gas stove. |
| 4 |
Wood stove, carb |
| 5 |
Electric heater |
| 6 |
No heater |
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.