ECSENOMICS Share of Consumption in National Output Has risen recently 1-155 igure 21-3 Fi 370 三 40山u 1930193519401945195019551960196519701975198019851901995 Year McGraw-Hilllrwin Source: U.S. Department of CommerceMcGraw-Hill/Irwin Copyright © 2001 The McGraw-Hill Companies, Inc. All rights reserved. Share of Consumption in National Output Has Risen Recently T-155 Figure 21-3 Source: U.S. Department of Commerce