Number of electricity hours......
		Frequency	Percent	Valid Percent	Cumulative Percent
Valid	0	1	.1	.3	.3
	0	2	.2	.6	.9
	0	1	.1	.3	1.2
	0	1	.1	.3	1.5
	1	3	.3	.9	2.5
	2	15	1.8	5.2	7.7
	3	15	1.8	5.2	12.9
	4	33	4.0	11.7	24.6
	5	30	3.7	10.8	35.4
	6	61	7.4	21.5	56.9
	7	15	1.8	5.2	62.2
	8	54	6.6	19.1	81.2
	10	8	1.0	2.8	84.0
	11	1	.1	.3	84.3
	12	18	2.2	6.5	90.8
	13	1	.1	.3	91.1
	14	1	.1	.3	91.4
	15	2	.2	.6	92.0
	16	4	.5	1.5	93.5
	18	3	.4	1.2	94.8
	20	8	1.0	2.8	97.5
	22	3	.3	.9	98.5
	23	1	.1	.3	98.8
	24	3	.4	1.2	100.0
	Total	283	34.5	100.0
Missing	9	3	.4
	99	532	65.0
	System	1	.1
	Total	536	65.5
Total		819	100.0