Table D4.  Appliances in West North Central Households, Selected Years, 1980-2001
	Survey Category	Survey Year
		1980	1981	1982	1984	1987	1990	1993	1997	2001
	Number of Households (millions)	6	7	6	6	6	6	7	7	7
	Air-Conditioners 1, 2	(percent of households)
	Central	41	35	44	41	45	52	56	60	65
	Individual Room Units	33	39	32	34	35	33	29	28	27
	None	26	27	24	25	20	15	15	11	8
	Electric Appliances
	Clothes Dryer	57	57	54	54	57	58	63	61	67
	Clothes Washer	80	78	79	76	82	82	82	86	86
	Computer, Personal	NA	NA	NA	NA	NA	12	24	38	57
	Dehumidifier	17	21	22	18	20	22	21	NA	27
	Dishwasher	39	39	40	38	44	45	46	51	57
	Evaporative Cooler	1	1	2	1	(s)	1	(s)	NA	(s)
	Fan, Ceiling	NA	NA	NA	NA	NA	NA	59	71	78
	Fan, Whole House	NA	NA	13	12	13	12	4	NA	NA
	Fan, Window or Ceiling	NA	NA	22	32	48	55	67	NA	NA
	Freezer, Separate	53	49	47	48	46	45	50	54	48
	Oven, Microwave	22	25	33	49	72	87	91	91	93
	Pump for Swimming Pool 3	2	1	1	NA	NA	2	2	2	2
	Pump for Well Water	NA	NA	NA	NA	NA	16	13	13	13
	Range (stove-top burner)	58	59	61	60	59	62	63	63	63
	Refrigerator (one) 4	76	81	82	85	80	80	79	79	76
	Refrigerator (two or more)	24	18	18	15	19	20	21	21	24
	Television Set (any type)	99	98	99	99	98	99	98	NA	NA
	Television Set (b/w)	52	49	51	42	42	31	24	NA	NA
	Television Set (color)	83	83	87	92	93	98	97	99	100
	Waterbed Heaters	NA	NA	NA	15	24	27	17	10	9
	Gas 5  Appliances
	Clothes Dryer	15	14	19	18	21	20	17	21	17
	Heater for Swimming Pool 6	1	(s)	1	(s)	1	(s)	(s)	(s)	(s)
	Outdoor Gas Grill	11	13	15	16	27	30	30	NA	NA
	Outdoor Gas Light	3	3	2	3	2	3	1	1	(s)
	Range (stove-top burner)	42	43	41	40	42	39	37	36	36
	Kerosene Appliance
	Portable Heater	(s)	1	3	4	3	3	1	1	1
	1 Air-conditioning units may be powered by electricity or natural gas.
	2 Households with both central air-conditioning and individual room units are counted only under "Central."
	3 In all survey years except 1993, all reported swimming pools were assumed to have electric pumps for filtering and
	circulating water.  In 1993, the survey explicitly asked about filtering systems.
	4 Less than 0.5 percent of households lacked a refrigerator.
	5 "Gas" means natural gas or liquefied petroleum gases.
	6 For the years 1984 and 1987, the heater-for-swimming-pool category includes heaters for Jacuzzis and hot tubs.
	NA = Not Available.
	(s) = Less than 0.5 percent of households.
	Note:  Data are available only for the 9 years shown above (years for which surveys were conducted).
	Sources:  Energy Information Administration, Form EIA-457, "Residential Energy Consumption Survey" for each year shown.