TABLE 77  Volume of Oil Spills Reported to the U.S. Coast Guard by Source: 1991–2000,,,,,,,,,,
(Gallons),,,,,,,,,,
,,,,,,,,,,
Mode or source,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000
Transportation-related (1),"1,624,043","1,440,177","1,893,188","2,040,858","2,543,706","3,035,138","767,439","832,689","991,313","1,373,538"
Maritime vessels and facilities,"1,565,492","1,159,266","1,462,701","1,966,782","2,484,891","2,050,317","537,668","772,261","940,212","1,342,630"
All other transportation ,"58,551","280,911","430,487","74,076","58,815","984,821","229,771","60,428","51,101","30,908"
Pipeline,"49,382","200,396","362,399","62,340","11,894","978,392","224,122","47,863","36,140","17,021"
Air,760,"63,717","63,384","3,360","1,716","2,221",683,943,355,"2,224"
Highway,"7,203","13,577",748,"3,219",758,690,"1,432","10,111","13,037","7,148"
Rail,"1,206",123,"3,419","2,117","43,955",610,34,305,563,7
Other transportation (2)  ,0,"3,098",537,"3,040",492,"2,908","3,500","1,206","1,006","4,508"
Nontransportation,"77,872","152,249","102,348","48,161","27,602","43,540","102,671","20,987","90,779","25,890"
Unknown and other,"174,038","283,241","71,852","400,254","66,921","39,153","72,464","31,627","90,357","31,942"
Total,"1,875,953","1,875,667","2,067,388","2,489,273","2,638,229","3,117,831","942,574","885,303","1,172,449","1,431,370"
Transportation as percent of total,86.6,76.8,91.6,82.0,96.4,97.3,81.4,94.1,84.6,96.0
"(1) Oil spilled from transportation vessels, vehicles, and equipment, as well as from transportation-related facilities (e.g., at ports and fuel stations).",,,,,,,,,,
(2) Other transportation includes nonvessel common carriers. ,,,,,,,,,,
"
NOTE: Data are preliminary. ",,,,,,,,,,
"
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, calculations based on U.S. Coast Guard; Pollution Incidents in and Around U.S. Waters, available at: http://www.uscg.mil/hq/g-m/nmc/response/stats/ac.htm, as of September 2002.",,,,,,,,,,