Have you done any improvement or maintenance of existing buildings in 2009?
Categories
Value
Category
1
yes
2
no
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.
var_qstn_ivulnstr
here ask about any improvements (e.g. putting on a new roof, using new materials for the walls, etc) as well as maintenance.