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TANAKA Sigeto.
Housekeepers' capacity as a supply of labour: estimation from the distribution of housework time
_Nihon roudou kenkyuu zassi_ (Japanese journal of labour studies). No. 493: pp.4-14, 78. (August 2001).
ISSN 0916-3808.

Data for 
Figure 1. Distribution of housework time by housewives: 1973-1985
from the National Time Use Survey (NHK Broadcasting Culture Research Institute)
[Survey year: Pages in the reports] = [1973,1975,1985: 763-765] [1980: 870-873]

(a) Weekday
	0	0.375	0.875	1.375	1.875	2.375	2.875	3.375	3.875	4.375	4.875	5.375	5.875	6.375	6.875	7.375	7.875	8.625	9.625	10.625	11.625	12.625
1973	0.3 	0.2 	0.2 	0.7 	0.7 	1.3 	2.1 	2.0 	4.1 	3.1 	3.4 	5.2 	5.2 	4.3 	6.6 	6.4 	8.6 	12.8 	12.3 	7.9 	7.4 	5.1 
1975	0.2 	0.2 	0.1 	0.7 	0.4 	1.4 	2.5 	2.4 	2.9 	2.2 	5.3 	3.9 	6.0 	6.6 	6.1 	6.9 	6.4 	13.8 	11.0 	8.9 	6.4 	5.7 
1980	0.4 	0.2 	0.4 	0.4 	0.8 	1.0 	2.1 	2.3 	2.8 	4.2 	5.1 	5.0 	5.8 	5.9 	7.2 	6.9 	6.7 	11.9 	12.0 	8.6 	5.1 	5.2 
1985	0.3 	0.0 	0.2 	0.6 	0.7 	1.7 	2.5 	2.5 	3.0 	4.5 	4.9 	5.8 	6.0 	7.4 	5.5 	8.0 	6.2 	12.4 	9.0 	8.0 	5.3 	5.5 

(b) Saturday
	0	0.375	0.875	1.375	1.875	2.375	2.875	3.375	3.875	4.375	4.875	5.375	5.875	6.375	6.875	7.375	7.875	8.625	9.625	10.625	11.625	12.625
1973	0.3 	0.6 	0.7 	1.1 	0.9 	1.7 	1.6 	2.8 	3.6 	3.9 	3.7 	4.7 	6.3 	6.9 	6.2 	6.5 	5.8 	12.6 	11.1 	9.3 	5.2 	4.5 
1975	0.7 	0.1 	0.1 	0.2 	1.1 	1.6 	2.0 	4.1 	2.3 	4.1 	3.8 	3.9 	6.4 	4.8 	6.2 	6.2 	7.4 	13.2 	11.4 	8.5 	6.2 	5.7 
1980	0.4 	0.2 	0.6 	0.6 	1.4 	1.5 	1.7 	3.3 	3.8 	4.8 	5.1 	5.6 	6.9 	7.0 	6.5 	6.6 	6.7 	11.7 	10.1 	7.5 	4.3 	3.9 
1985	0.3 	0.3 	0.5 	0.7 	1.3 	1.7 	2.2 	2.2 	4.0 	5.6 	5.2 	6.5 	6.2 	6.5 	7.7 	7.6 	7.5 	11.3 	9.7 	5.5 	4.3 	3.2 

(c) Sunday
	0	0.375	0.875	1.375	1.875	2.375	2.875	3.375	3.875	4.375	4.875	5.375	5.875	6.375	6.875	7.375	7.875	8.625	9.625	10.625	11.625	12.625
1973	0.8 	1.2 	0.8 	2.5 	2.4 	2.6 	3.1 	3.3 	4.6 	5.3 	6.4 	6.0 	8.1 	7.1 	6.4 	5.8 	5.4 	9.1 	7.1 	5.4 	3.2 	3.2 
1975	0.7 	1.0 	0.8 	1.7 	1.5 	2.9 	2.5 	4.4 	4.8 	4.7 	5.8 	6.3 	6.2 	6.2 	5.7 	6.7 	7.2 	11.2 	8.8 	4.9 	3.4 	2.7 
1980	0.5 	0.6 	1.3 	2.0 	2.1 	1.9 	3.6 	3.8 	5.9 	5.3 	6.7 	6.9 	6.8 	7.1 	6.5 	6.5 	6.0 	10.1 	7.1 	5.2 	2.2 	2.0 
1985	0.6 	0.7 	1.5 	1.5 	2.2 	3.3 	3.0 	4.4 	5.1 	7.0 	7.4 	7.4 	7.6 	7.7 	6.5 	7.2 	4.6 	9.1 	5.7 	3.5 	2.0 	1.9 

Tanaka's Homepage: http://www.sal.tohoku.ac.jp/~tsigeto/welcome.html
Japan Institute of Labour: http://www.jil.go.jp/