Workers' lodgings, 1923-1938:  space occupied by a single family
	1923	1927	1935	1938
Separate house	16.8	14.2	9.7	9.2
Separate apartment	34.8	22.6	29.2	27.8
Part of an apartment	40.9	10.7
Separate room		40.8	38.6	40.2
Part of a room ("ugol")	7.5	11.7	9.7	9.5
Dormitory			12.1	12.9