Facilities of the building	Year of construction (aggregate)	Total
Total (absolute values)	Total	9,730,999
Total (absolute values)	Before 1900	793,401
Total (absolute values)	From 1900 to 1920	366,416
Total (absolute values)	From 1921 to 1940	431,216
Total (absolute values)	From 1941 to 1950	481,269
Total (absolute values)	From 1951 to 1960	863,630
Total (absolute values)	From 1961 to 1970	1,052,009
Total (absolute values)	From 1971 to 1980	1,495,132
Total (absolute values)	From 1981 to 1990	1,360,191
Total (absolute values)	From 1991 to 2001	1,417,202
Total (absolute values)	From 2002 to 2011	1,470,533
Accessible (%)	Total	23.09
Accessible (%)	Before 1900	21.58
Accessible (%)	From 1900 to 1920	22.85
Accessible (%)	From 1921 to 1940	23.25
Accessible (%)	From 1941 to 1950	23.46
Accessible (%)	From 1951 to 1960	22.92
Accessible (%)	From 1961 to 1970	22.27
Accessible (%)	From 1971 to 1980	23.34
Accessible (%)	From 1981 to 1990	21.97
Accessible (%)	From 1991 to 2001	20.88
Accessible (%)	From 2002 to 2011	27.41
With lift (%)	Total	6.27
With lift (%)	Before 1900	1.05
With lift (%)	From 1900 to 1920	1.86
With lift (%)	From 1921 to 1940	2.26
With lift (%)	From 1941 to 1950	2.23
With lift (%)	From 1951 to 1960	2.87
With lift (%)	From 1961 to 1970	6.32
With lift (%)	From 1971 to 1980	8.24
With lift (%)	From 1981 to 1990	5.73
With lift (%)	From 1991 to 2001	7.79
With lift (%)	From 2002 to 2011	11.65
With garage (%)	Total	34.65
With garage (%)	Before 1900	11.77
With garage (%)	From 1900 to 1920	13.49
With garage (%)	From 1921 to 1940	13.91
With garage (%)	From 1941 to 1950	14.38
With garage (%)	From 1951 to 1960	14.93
With garage (%)	From 1961 to 1970	20.60
With garage (%)	From 1971 to 1980	32.58
With garage (%)	From 1981 to 1990	44.72
With garage (%)	From 1991 to 2001	53.65
With garage (%)	From 2002 to 2011	61.08
With gas (%)	Total	25.68
With gas (%)	Before 1900	15.77
With gas (%)	From 1900 to 1920	16.73
With gas (%)	From 1921 to 1940	20.27
With gas (%)	From 1941 to 1950	20.92
With gas (%)	From 1951 to 1960	25.72
With gas (%)	From 1961 to 1970	27.81
With gas (%)	From 1971 to 1980	25.35
With gas (%)	From 1981 to 1990	25.12
With gas (%)	From 1991 to 2001	31.79
With gas (%)	From 2002 to 2011	29.84
With telephone laying (%)	Total	92.05
With telephone laying (%)	Before 1900	82.49
With telephone laying (%)	From 1900 to 1920	86.00
With telephone laying (%)	From 1921 to 1940	89.11
With telephone laying (%)	From 1941 to 1950	90.05
With telephone laying (%)	From 1951 to 1960	92.51
With telephone laying (%)	From 1961 to 1970	94.39
With telephone laying (%)	From 1971 to 1980	93.35
With telephone laying (%)	From 1981 to 1990	93.56
With telephone laying (%)	From 1991 to 2001	94.12
With telephone laying (%)	From 2002 to 2011	93.55
With sewage disposal by sewage system (%)	Total	90.13
With sewage disposal by sewage system (%)	Before 1900	84.44
With sewage disposal by sewage system (%)	From 1900 to 1920	88.46
With sewage disposal by sewage system (%)	From 1921 to 1940	91.13
With sewage disposal by sewage system (%)	From 1941 to 1950	91.94
With sewage disposal by sewage system (%)	From 1951 to 1960	92.31
With sewage disposal by sewage system (%)	From 1961 to 1970	92.20
With sewage disposal by sewage system (%)	From 1971 to 1980	88.20
With sewage disposal by sewage system (%)	From 1981 to 1990	89.22
With sewage disposal by sewage system (%)	From 1991 to 2001	92.09
With sewage disposal by sewage system (%)	From 2002 to 2011	90.86
With another system of sewage disposal (%)	Total	9.19
With another system of sewage disposal (%)	Before 1900	13.05
With another system of sewage disposal (%)	From 1900 to 1920	9.96
With another system of sewage disposal (%)	From 1921 to 1940	7.76
With another system of sewage disposal (%)	From 1941 to 1950	7.13
With another system of sewage disposal (%)	From 1951 to 1960	6.97
With another system of sewage disposal (%)	From 1961 to 1970	7.22
With another system of sewage disposal (%)	From 1971 to 1980	11.10
With another system of sewage disposal (%)	From 1981 to 1990	10.15
With another system of sewage disposal (%)	From 1991 to 2001	7.91
With another system of sewage disposal (%)	From 2002 to 2011	9.14
With central hot water (%)	Total	43.40
With central hot water (%)	Before 1900	43.01
With central hot water (%)	From 1900 to 1920	42.24
With central hot water (%)	From 1921 to 1940	42.63
With central hot water (%)	From 1941 to 1950	43.57
With central hot water (%)	From 1951 to 1960	41.16
With central hot water (%)	From 1961 to 1970	40.73
With central hot water (%)	From 1971 to 1980	44.62
With central hot water (%)	From 1981 to 1990	46.36
With central hot water (%)	From 1991 to 2001	42.33
With central hot water (%)	From 2002 to 2011	44.33