"Table 3 Allocation of Commercial Freight Industries' Gross Output to Transportation Margins, Own Uses,1 and Commercial Transportation at Factor Prices: 1976–1996 ",,,,,,,,,, ,1976,,,1986,,,1996,,, ,TMs,Own use,Factor price2,TMs,Own use,Factor price,TMs,Own use,Factor price, Water ,88.4%,24.1%,–12.5%,55.6%,20.6%,23.8%,30.8%,7.9%,61.3%, Services incidental to water transportation,61.3%,35.9%,2.8%,48.0%,14.6%,37.4%,17.5%,2.1%,80.4%, Railway ,81.3%,2.1%,16.7%,78.2%,1.1%,20.8%,81.9%,0.8%,17.4%, Truck ,70.2%,8.6%,21.2%,66.0%,2.3%,31.7%,62.6%,3.8%,33.6%, "1 Own use refers to own commodities used by the commodity-producing industry as inputs, for example, trucking commodities used by the trucking industry.",,,,,,,,,, 2 The negative value reflects a negative entry in commodity final demand generated by the imbalance of imports over exports and little direct consumer demand. ,,,,,,,,,,