Area includes the outer walls, balconies and the built up area below the pillars.
It includes service rooms, and has a separate entrance from the street or from an area in common with other apartments in the building. Includes also the building of the Histadrut Sector. In computing the average duration per building, each building of any size has an equal weight, while in computing the average duration per dwelling, the buildings are considered according to the number of dwellings in each. As of 1967 the summary of data also includes construction in East Jerusalem and in Jewish localities in Judea and Samaria and in the Gaza Area. As of 1974, the series also includes estimates of illegal building.