source! Department of rnternational Econooic and soci,ar Affairs of the unltedNations Secretar iat.A/ 40/5L9 Eng11sb Page 145 Table 55.Level and conposition of world exports by major commodity, 1960 and 1980 Exportlng groupTotal expor tsin billlonE of US dollars llorld r960 198 0 Developed market economies t-960 r980 Developing countr ies 1960 1980 Centrally planned economles 1960 r980L 994.753.1 47 .49.9 24.013 .0 8.545.7 50.9 57.2 66. 5 8.9 L7.285.4 1260.3 27 .4 559,04l .4 32.0 90 .7 82.03.9 6.9 2't.9 5 2.0L3.7 10 .0 10 .9 5.1 r3.0 155.249 .6 46.8L2.5 r.3.4 8.549 ,5 46 .7 @: Department of International Economic and Soclal Affalrs of the United Nations Secr etar ia t.^/ 40 /119 English Page 146 Table 56. Level and comrTrodi ty ,composition of norld imports by major 1960 and 1980 Importing groupTotal importsin billions of US dglla r sPercentage of cornposition of commoditv imports Primary commodities Total Fuels Minerals Manu factures world 1960 r980 Developed market economies I96 0 198 0 Developing countr ies 1960 I980 Centrally planned economi.es1t', o L 994.7 64.E 1343.053,1 9.9 24.013.0 8.5 L4 .4 8.7 '1 .4 7.O L6 .4 11.345.7 50. 9 40.2 48.9 s5.7 57.2 53.157.6 49,9r0.0 r960 1980)J. / 45.0 13.229 .3 atbJ.d L2.9 143 .840 .1 40.3oo r8.4 source: Departnent of rnternationaL Ebonomic and social Affairs 0f theUnited Nations Secretar ia t.