Table 1.—Principal Source Data and Estimating Methods Used in Preparing Estimates of Current-Dollar GDP—Continued

Component (billions of dollars) Subcomponent (billions of dollars) Annual estimates: Source data and methods used to determine level for benchmark and other final or used to prepare an extrapolator or interpolator Advance quarterly estimates: Source data and methods used to prepare an extrapolator
Product side (GDP of $7,636.0 billion for 1996)—Continued
Personal consumption expenditures—Continued Services—Continued:
Physicians, dentists, and other professional medical services
($357.6)
Benchmark years—For nonprofit professional services, expenses, and for others in this group, receipts, adjusted for government consumption, all from Census Bureau quinquennial census.
Other years—Receipts and revenues, adjusted for government consumption, from Census Bureau service annual survey.
For physicians and dentists, judgmental trend; for other professional medical services, wages and salaries derived from Bureau of Labor Statistics monthly employment times earnings times hours.
Private nursery, elementary, and secondary schools, day care, welfare activities, and trade unions and professional associations
($148.6)
Benchmark years—For religious-affiliated schools, enrollment from the Department of Education times BEA estimate of average expenditures per pupil; for nursery schools and day care, expenditures from Bureau of Labor Statistics consumer expenditure survey; for others in this group, receipts and expenses from Census Bureau quinquennial census.
Other years except most recent—For nursery schools and day care, same as benchmark years; for others in this group, annual tabulations of wages and salaries of employees covered by State unemployment insurance from the Bureau of Labor Statistics.
Most recent year—For nursery schools and day care, judgmental trend; for others in this group, tabulations of wages and salaries of employees covered by State unemployment insurance from the Bureau of Labor Statistics.
For political organizations and foundations, judgmental trend; for others in this group, wages and salaries derived from Bureau of Labor Statistics monthly employment times earnings times hours.
Financial services furnished without payment by banks, credit agencies, and investment companies/3/
($169.9)
See entry for "imputed—banks, credit agencies, and investment companies" under net interest. Judgmental trend.
Brokerage charges and investment counseling, bank service charges, intercity transportation except other, and private higher education
($148.7)
Years except most recent—For private higher education, expenses, and for others in this group, receipts, all from annual reports of government administrative agencies.
Most recent year—For brokerage charges, bank service charges, and intercity transportation, receipts, from annual reports of government administrative agencies; for private higher education, enrollment from the Department of Education times price index for higher education from trade source.
For stock brokerage charges, stock exchange transactions from trade sources; for income from sales of investment company securities, sales of open-end investment company shares from trade source; for other brokerage charges and investment counseling and for bank service charges, judgmental trend; for intercity transportation, receipts from trade sources; for private higher education, wages and salaries derived from Bureau of Labor Statistics monthly employment times earnings times hours.
Domestic services
($12.5)
Benchmark years—For cleaning services, receipts from Census Bureau quinquennial census; for other domestic services, number of workers times weekly hours times earnings from the Bureau of Labor Statistics.
Other years—Number of workers times weekly hours times earnings from the Bureau of Labor Statistics.
Judgmental trend.

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