DATA9-4:  Annual data on corporate profits (after taxes) and sales of
    the manufacturing sector in the US, measured in billions of dollars
    Source:  Economic Report of the President, 1996, Table B-89
    Range for profits is 23.2 - 85.8 and that for sales is
    1060.6 - 2220.9.

SAMPLE 1 21 * Sample period 1974-1994 READ (DATA9-4) year profits sales