Table 1,,,,,,,,, U.S. Gross Domestic Product Attributed to For-Hire Transportation Industries,,,,,,,,, Millions of current dollars,,,,,,,,, Industry,1960,1965,1970,1975,1980,1985,1990,1995,1999 Gross Domestic Product,"527,380","720,108","1,039,674","1,635,165","2,795,561","4,213,016","5,803,246","7,400,534","9,299,158" Transportation,"23,138","29,533","39,881","59,248","102,948","140,431","177,404","233,379","303,418"  Railroad transportation,"8,400","9,069","10,049","12,555","20,752","22,002","19,819","23,594","23,431"  Local and interurban,,,,,,,,,   passenger transit,"1,906","2,176","2,880","3,488","5,271","7,731","9,077","12,439","17,117"  Trucking and ,,,,,,,,,   warehousing,"7,518","10,653","15,029","24,154","40,094","56,326","69,428","89,036","116,627"  Water transportation,"1,818","2,190","2,855","3,987","7,180","8,317","10,044","11,627","14,395"  Transportation by air,"1,959","3,422","6,360","10,179","18,188","27,063","45,341","67,667","94,996" " Pipelines, except",,,,,,,,,   natural gas,595,719,"1,102","1,812","5,233","7,306","5,543","5,484","6,618"  Transportation services,942,"1,304","1,606","3,074","6,230","11,687","18,151","23,532","30,235" "SOURCE: U.S. Department of Commerce, Bureau of Economic Analysis, “Gross Domestic Product by Industry and the Components of Gross Domestic Income,” available at http://www.bea.doc.gov/bea/dn2.htm, as of May 2001."