Table 2 ,,
U.S. Freight Shipments by Air Carriers: 1997,,
(Including truck and air),,
SCTG,,
code,Ranking,Measure
,Value,Value ($millions)
,All commodities by air carriers,"229,062"
372,Aircraft and spacecraft,"55,394"
358,Electronic components and parts,"32,704"
355,Computer and office equipment,"27,021"
409,Miscellaneous manufactured products,"14,962"
359,Other electronic and electrical equipment,"11,726"
210,Pharmaceutical products,"10,524"
384,"Medical instruments, apparatus, and appliances","7,846"
353,Line telephone or telegraph apparatus,"6,923"
357,Transmission apparatus for radio and television,"5,603"
349,Other machinery,"5,213"
,Value per ton,Dollars per ton
,All commodities by air carriers,"51,187"
372,Aircraft and spacecraft,"728,868"
358,Electronic components and parts,"480,941"
342,"Turbines, boilers, nuclear reactors, and nonelectric engines","327,077"
384,"Medieval instruments, apparatus, and appliances","245,188"
357,Transmission apparatus for radio and television ,"233,458"
385,Meters and other instruments and apparatus,"153,970"
210,Pharmaceutical products,"148,225"
355,Computer and office equipment,"120,629"
381,"Optical elements, instruments, and apparatus","116,267"
409,Miscellaneous manufactured products,"108,420"
,Average miles per ton,Miles per ton
,All commodities by air carriers,"1,393"
71,"Dairy products, except beverages","3,200"
304,Footwear,"2,500"
264,"Windows, doors, frames, and builders joinery","2,333"
241,Plastics and rubber in primary forms and sheets,"1,889"
239,Other chemical products and preparations,"1,857"
243,Rubber articles,"1,750"
385,Meters and other instruments and apparatus,"1,727"
302,"Textile clothing and accessories, and headgear","1,701"
357,Transmission apparatus for radio or television,"1,667"
324,"Nonferrous metal, except precious","1,643"
KEY: SCTG = Standard Classification of Transported Goods.,,

"SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics and U.S. Department of Commerce, U.S. Census Bureau, 1997 Commodity Flow Survey. ",,