Table 3-1a:  U.S. Gross Domestic Product (GDP) Attributed to For-Hire Transportation Services (Current $ billions),,,,,,,,,,,,,,
 ,1990,1991,1992,1993,1994,1995,1996,1997,1998,R1999,R2000,2001,,
TOTAL U.S. GDP,"5,803.2","5,986.2","6,318.9","6,642.3","7,054.3","7,400.5","7,813.2","8,318.4","8,781.5","9,274.3","9,824.6","10,082.2",,
"For-hire transportation services GDP, total",177.4,186.1,193.4,206.0,223.2,233.4,243.4,261.8,288.7,301.9,313.7,306.1,,
Trucking and warehousing,69.4,70.9,74.5,79.2,86.4,89.0,92.1,99.4,114.1,121.4,123.3,126.0,,
Air,45.3,47.0,50.3,56.4,62.5,67.7,70.8,78.6,85.8,90.0,91.9,80.2,,
Railroad,19.8,22.0,21.6,22.0,23.3,23.6,23.4,23.0,24.3,23.1,24.8,25.8,,
Transportation servicesa,18.2,19.5,19.9,20.8,22.6,23.5,25.7,27.1,28.0,29.9,34.1,32.9,,
Local and interurban passenger transit,9.1,10.2,10.9,11.3,11.6,12.4,13.4,14.9,16.8,17.9,18.3,19.1,,
Water,10.0,11.1,10.7,10.7,11.5,11.6,12.2,13.1,13.6,13.4,15.0,15.7,,
"Pipelines, except natural gas",5.5,5.5,5.5,5.6,5.5,5.5,5.7,5.8,6.1,6.2,6.3,6.5,,
Percent of U.S. GDP,,,,,,,,,,,,,,
"For-hire transportation services GDP, total",3.1%,3.1%,3.1%,3.1%,3.2%,3.2%,3.1%,3.1%,3.3%,3.3%,3.2%,3.0%,,
Trucking and warehousing,1.2%,1.2%,1.2%,1.2%,1.2%,1.2%,1.2%,1.2%,1.3%,1.3%,1.3%,1.2%,,
Air,0.8%,0.8%,0.8%,0.8%,0.9%,0.9%,0.9%,0.9%,1.0%,1.0%,0.9%,0.8%,,
Railroad,0.3%,0.4%,0.3%,0.3%,0.3%,0.3%,0.3%,0.3%,0.3%,0.2%,0.3%,0.3%,,
Transportation servicesa,0.3%,0.3%,0.3%,0.3%,0.3%,0.3%,0.3%,0.3%,0.3%,0.3%,0.3%,0.3%,,
Local and interurban passenger transit,0.2%,0.2%,0.2%,0.2%,0.2%,0.2%,0.2%,0.2%,0.2%,0.2%,0.2%,0.2%,,
Water transportation,0.2%,0.2%,0.2%,0.2%,0.2%,0.2%,0.2%,0.2%,0.2%,0.1%,0.2%,0.2%,,
"Pipelines, except natural gas",0.1%,0.1%,0.1%,0.1%,0.1%,0.1%,0.1%,0.1%,0.1%,0.1%,0.1%,0.1%,,
Percent of for-hire transportation services GDP,,,,,,,,,,,,,,
Trucking and warehousing,39.1%,38.1%,38.5%,38.4%,38.7%,38.1%,37.8%,38.0%,39.5%,40.2%,39.3%,41.2%,,
Air,25.5%,25.3%,26.0%,27.4%,28.0%,29.0%,29.1%,30.0%,29.7%,29.8%,29.3%,26.2%,,
Railroad,11.2%,11.8%,11.2%,10.7%,10.4%,10.1%,9.6%,8.8%,8.4%,7.7%,7.9%,8.4%,,
Transportation servicesa,10.3%,10.5%,10.3%,10.1%,10.1%,10.1%,10.6%,10.4%,9.7%,9.9%,10.9%,10.7%,,
Local and interurban passenger transit,5.1%,5.5%,5.6%,5.5%,5.2%,5.3%,5.5%,5.7%,5.8%,5.9%,5.8%,6.2%,,
Water transportation,5.6%,6.0%,5.5%,5.2%,5.2%,5.0%,5.0%,5.0%,4.7%,4.4%,4.8%,5.1%,,
"Pipelines, except natural gas",3.1%,3.0%,2.8%,2.7%,2.5%,2.4%,2.3%,2.2%,2.1%,2.1%,2.0%,2.1%,,
KEY:  R = revised.,,,,,,,,,,,,,,
,,,,,,,,,,,,,,
a  Defined as services incidental to transportation such as forwarding and packing and arranging passenger travel and freight transportation.,,,,,,,,,,,,,,
,,,,,,,,,,,,,,
NOTES,,,,,,,,,,,
Percentages based on the revised estimates have been recalculated but may appear unchanged due to the number of significant digits shown.,,,,,,,,,,,
Numbers may not add to totals due to rounding.,,,,,,,,,,,
,,,,,,,,,,,
SOURCE,,,,,,,,,,,
"1990-1995: U.S. Department of Commerce, Bureau of Economic Analysis, Survey of Current Business (Washington, DC, June 2000), pp. 41-42.",,,,,,,,,,,
"1996: Ibid. (Washington, DC, December 2000), p. 29.",,,,,,,,,,,
"1997: Ibid. (Washington, DC, November 2001), p. 26.",,,,,,,,,,,
"1998-2001: Ibid. (Washington, DC, November 2002), p. 32.",,,,,,,,,,,
,,,,,,,,,,,
,,,,,,,,,,,
,,,,,,,,,,,
,,,,,,,,,,,
,,,,,,,,,,,
,,,,,,,,,,,
,,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,, ,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,