Figure 18,,,,,,,,,,,, Balance of Trade for Transportation-Related Merchandise Goods: 1990–2001,,,,,,,,,,,, (Billions of current $),,,,,,,,,,,, ,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001 "Vehicles, other than railway","-42,431","-37,339","-36,485","-41,549","-47,809","-50,007","-49,966","-54,365","-64,690","-89,566","-101,927","-100,592" "Aircraft, spacecraft, and parts","24,182","27,777","29,200","25,524","23,679","19,287","24,832","30,856","39,398","34,641","22,809","23,607" "SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics; based on data from U.S. International Trade Commission, available at http://dataweb.usitc.gov/ scripts, as of December 2002.",,,,,,,,,,,,