Figure 6 Higher Value Goods' Share of U.S. Freight Shipments: 1993, 1997 and 2002*
Figure 6 Higher Value Goods' Share of U.S. Freight Shipments: 1993, 1997 and 2002*Excel | CSV | Figure Version
(Commodity Flow Survey Data Only) (Percent)
Higher value-per-ton goods Lower value-per-ton goods Value 93 71 29...