28. If you marked more than one source under question 27, enter the number of the main source of heating. _
27 Source of heating in the last heating season:
If any of the mentioned sources was used for heating the dwelling, the enumerator must mark it. Several answers can be marked.
The enumerator marks sources of heating used in the last heating season (from 15 October 2001 to the census day).
The dwelling is heated if at least one premise in the dwelling is heated, irrespective of whether cooking takes place in it.
28 If you marked more than one source under question 27, enter the number of the main source of heating:
The answer to this question is marked by the enumerator if at question 27 more than one answer was marked.
The enumerator enters the number in brackets at the source of heating used the most in the last heating season.
If the enumerator marked only one answer at question 27, question 28 is not answered.