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

			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			3523104	345748	185647	228203	258959	422329	466110	666967	497715	451426
			40,85%	38,36%	43,49%	45,91%	48,01%	47,64%	42,75%	44,32%	36,59%	31,85%
2			3638230	422536	185609	208468	216577	332505	389201	541835	659061	682438
			42,19%	46,88%	43,48%	41,94%	40,15%	37,51%	35,70%	36,00%	48,45%	48,15%
3			705343	99620	33959	33492	33155	52847	67199	101557	120412	163102
			8,18%	11,05%	7,96%	6,74%	6,15%	5,96%	6,16%	6,75%	8,85%	11,51%
4			257732	12921	7319	8664	11238	29641	43841	61444	32641	50023
			2,99%	1,43%	1,71%	1,74%	2,08%	3,34%	4,02%	4,08%	2,40%	3,53%
5			214000	9244	5631	6894	7983	24116	57686	49458	19157	33831
			2,48%	1,03%	1,32%	1,39%	1,48%	2,72%	5,29%	3,29%	1,41%	2,39%
6			118008	6603	4156	4619	4734	11406	29450	26684	11587	18769
			1,37%	0,73%	0,97%	0,93%	0,88%	1,29%	2,70%	1,77%	0,85%	1,32%
7			58917	3078	2734	3629	3227	5404	9621	15372	6993	8859
			0,68%	0,34%	0,64%	0,73%	0,60%	0,61%	0,88%	1,02%	0,51%	0,63%
8			60491	1114	1295	2388	2582	5317	13743	21805	6580	5667
			0,70%	0,12%	0,30%	0,48%	0,48%	0,60%	1,26%	1,45%	0,48%	0,40%
9			10149	41	51	137	274	722	2728	3521	1598	1077
			0,12%	0,00%	0,01%	0,03%	0,05%	0,08%	0,25%	0,23%	0,12%	0,08%
10 or more			37901	394	471	545	696	2257	10740	16341	4447	2010
			0,44%	0,04%	0,11%	0,11%	0,13%	0,25%	0,99%	1,09%	0,33%	0,14%