Main dwellings in buildings destined mainly for dwellings according to year of construction of the building (grouped) by type of heating . 47-Valladolid

			TOTAL	Before 1900	1900-1920	1921-1940	1941-1950	1951-1960	1961-1970	1971-1980	1981-1990	1991-2001
TOTAL			171321	7464	2447	3079	5146	16675	38925	40663	26655	30267
			19,30%	2,13%	7,76%	3,51%	7,50%	8,37%	16,49%	37,61%	25,71%	7,46%
With central heating
With individual heating			66,26%	47,59%	49,69%	52,19%	59,74%	68,41%	66,19%	54,25%	67,16%	88,96%
Without heating installation, but with individual room heaters			11,76%	41,17%	34,41%	32,80%	25,42%	19,17%	14,18%	6,72%	6,03%	2,86%
Without any means			2,68%	9,11%	8,13%	11,50%	7,35%	4,05%	3,14%	1,42%	1,10%	0,72%

Due to an error in assigning the labels, the data corresponding to individual heating and group heating have been modified with date 13/05/04. In the previous version both categories were interchanged between themselves.