问答题

AVERAGE FAMILY EXPENDITURE IN AMERICA (%)

ITEM	1957	1967	1986
Food Alcoholic drink Tobacco Clothing and footwear Housing Fuel, light and power Household goods and services Transport and communications Recreation, entertainment and education Other goods and services	20 6 5 8 11 4 9 8 6 13	18 6 3 7 13 4 6 13 8 11	17 3 1 5 15 3 13 15 10 7

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