Buildings destined mainly for dwellings, according to year of construction (grouped) by number of dwellings

			TOTAL	Before 1900	1900-1920	1921-1940	1941-1950	1951-1960	1961-1970	1971-1980	1981-1990	1991-2001
			8623875	901299	426872	497039	539425	886544	1090319	1504984	1360191	1417202
TOTAL
			100,00%	100,00%	100,00%	100,00%	100,00%	100,00%	100,00%	100,00%	100,00%	100,00%
1			6885843	790721	365748	418331	449645	701750	787888	1119889	1126296	1125575
			79,85%	87,73%	85,68%	84,16%	83,36%	79,16%	72,26%	74,41%	82,80%	79,42%
2			623788	54792	27665	36293	40433	69023	88738	118757	90980	97107
			7,23%	6,08%	6,48%	7,30%	7,50%	7,79%	8,14%	7,89%	6,69%	6,85%
3			174345	15824	8024	9801	10878	19372	26147	34735	23474	26090
			2,02%	1,76%	1,88%	1,97%	2,02%	2,19%	2,40%	2,31%	1,73%	1,84%
4			121046	9387	4780	6002	6979	13811	18844	23246	16748	21249
			1,40%	1,04%	1,12%	1,21%	1,29%	1,56%	1,73%	1,54%	1,23%	1,50%
5 to 9			356282	17739	10434	12705	16293	41386	62796	78197	48155	68577
			4,13%	1,97%	2,44%	2,56%	3,02%	4,67%	5,76%	5,20%	3,54%	4,84%
10 to 19			302102	9622	7171	9191	10599	29598	67167	76420	35737	56597
			3,50%	1,07%	1,68%	1,85%	1,96%	3,34%	6,16%	5,08%	2,63%	3,99%
20 to 39			129658	2682	2517	3857	3829	9737	31999	41320	14951	18766
			1,50%	0,30%	0,59%	0,78%	0,71%	1,10%	2,93%	2,75%	1,10%	1,32%
40 or more			30811	532	533	859	769	1867	6740	12420	3850	3241
			0,36%	0,06%	0,12%	0,17%	0,14%	0,21%	0,62%	0,83%	0,28%	0,23%