SRT> The Commerce data comes from the 1990 "Statistical Abstract of the
United States" (page 425), and online data available in CENDATA.
SRT> The OMB data comes from the 1988 "United States Budget in Brief" (page
111) and the 1992 "Budget of the United States Government" (Part Seven,
page 71).
Those are called almanacs, in the trade, Ran. Have any of those fonts of
wisdom explained to you what happened in 1973?