Export Table B–7c,,,,,,,
"Estimated Standard Error of Percentage for Export Shipment Characteristics by Commodity Group and Export Mode: Percent of Total for 2002 and 1997
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"[Estimates are shown as percents and are based on data from the 2002 and 1997 Commodity Flow Surveys]
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SCTG code,Description,Export mode of transportation,Value,,Tons,,
,,, Std. error of percent 2002 , Std. error of percent 1997 , Std. error of percent 2002 , Std. error of percent 1997 ,
—,All Commodities,All modes,—,—,—,—,
—,All Commodities,Single modes,1.3,1.0,1.0,1.8,
—,All Commodities,Truck,1.9,2.2,1.6,0.7,
—,All Commodities,Rail,0.3,1.2,1.9,1.6,
—,All Commodities,Water,1.0,1.4,3.2,2.3,
—,All Commodities,Air (including truck and air),1.3,2.8,0.2,0.2,
—,All Commodities,Pipeline,S,—,S,—,
—,All Commodities,Multiple modes,1.5,0.3,0.9,0.1,
—,All Commodities,"Parcel, U.S.P.S. or courier",0.5,0.3,—,0.1,
—,All Commodities,Truck and rail,—,—,—,—,
—,All Commodities,Other multiple modes,1.5,—,0.9,—,
—,All Commodities,Other and unknown modes,0.3,0.8,0.4,1.7
01–05,Agriculture products and fish,All modes,0.9,0.8,3.9,3.1
01–05,Agriculture products and fish,Single modes,0.9,0.6,3.7,2.9
01–05,Agriculture products and fish,Truck,0.3,—,0.4,—
01–05,Agriculture products and fish,Rail,—,—,0.7,0.2
01–05,Agriculture products and fish,Water,0.8,0.6,3.9,2.8
01–05,Agriculture products and fish,Air (including truck and air),S,—,S,—
01–05,Agriculture products and fish,Pipeline,—,S,—,S
01–05,Agriculture products and fish,Multiple modes,—,—,0.3,—
01–05,Agriculture products and fish,"Parcel, U.S.P.S. or courier",S,—,S,—
01–05,Agriculture products and fish,Truck and rail,—,—,—,—
01–05,Agriculture products and fish,Other multiple modes,—,—,0.3,—
01–05,Agriculture products and fish,Other and unknown modes,—,0.3,0.3,S
06–09,"Grains, alcohol, and tobacco products",All modes,0.3,0.2,0.6,0.5
06–09,"Grains, alcohol, and tobacco products",Single modes,0.3,0.2,0.6,0.5
06–09,"Grains, alcohol, and tobacco products",Truck,—,—,0.3,—
06–09,"Grains, alcohol, and tobacco products",Rail,—,—,0.1,—
06–09,"Grains, alcohol, and tobacco products",Water,0.3,0.2,0.3,0.4
06–09,"Grains, alcohol, and tobacco products",Air (including truck and air),S,—,S,—
06–09,"Grains, alcohol, and tobacco products",Pipeline,S,—,S,—
06–09,"Grains, alcohol, and tobacco products",Multiple modes,—,S,—,—
06–09,"Grains, alcohol, and tobacco products","Parcel, U.S.P.S. or courier",—,S,S,—
06–09,"Grains, alcohol, and tobacco products",Truck and rail,—,—,—,—
06–09,"Grains, alcohol, and tobacco products",Other multiple modes,—,—,—,—
06–09,"Grains, alcohol, and tobacco products",Other and unknown modes,—,—,—,—
10–14,"Stones, non—metallic minerals, and metallic ores",All modes,0.1,—,1.9,0.8
10–14,"Stones, non—metallic minerals, and metallic ores",Single modes,—,—,1.7,0.8
10–14,"Stones, non—metallic minerals, and metallic ores",Truck,—,—,0.1,—
10–14,"Stones, non—metallic minerals, and metallic ores",Rail,—,—,1.1,0.4
10–14,"Stones, non—metallic minerals, and metallic ores",Water,—,—,1.1,0.8
10–14,"Stones, non—metallic minerals, and metallic ores",Air (including truck and air),S,S,—,—
10–14,"Stones, non—metallic minerals, and metallic ores",Pipeline,—,—,—,—
10–14,"Stones, non—metallic minerals, and metallic ores",Multiple modes,S,S,0.3,S
10–14,"Stones, non—metallic minerals, and metallic ores","Parcel, U.S.P.S. or courier",S,S,S,S
10–14,"Stones, non—metallic minerals, and metallic ores",Truck and rail,—,—,—,—
10–14,"Stones, non—metallic minerals, and metallic ores",Other multiple modes,S,—,0.3,—
10–14,"Stones, non—metallic minerals, and metallic ores",Other and unknown modes,—,—,—,—
15–19,Coal and petroleum products,All modes,0.3,0.2,2.7,0.8
15–19,Coal and petroleum products,Single modes,0.3,0.3,2.2,1.2
15–19,Coal and petroleum products,Truck,0.1,0.1,S,S
15–19,Coal and petroleum products,Rail,—,—,0.4,0.4
15–19,Coal and petroleum products,Water,0.3,0.2,2.4,1.2
15–19,Coal and petroleum products,Air (including truck and air),S,—,S,S
15–19,Coal and petroleum products,Pipeline,S,S,S,S
15–19,Coal and petroleum products,Multiple modes,S,—,S,S
15–19,Coal and petroleum products,"Parcel, U.S.P.S. or courier",S,—,S,S
15–19,Coal and petroleum products,Truck and rail,—,—,—,—
15–19,Coal and petroleum products,Other multiple modes,S,—,S,—
15–19,Coal and petroleum products,Other and unknown modes,—,—,S,0.5
20–24,Pharmaceutical and chemical products,All modes,0.9,2.5,1.6,3.3
20–24,Pharmaceutical and chemical products,Single modes,0.8,2.5,1.6,3.3
20–24,Pharmaceutical and chemical products,Truck,0.2,0.3,0.3,0.3
20–24,Pharmaceutical and chemical products,Rail,0.2,S,0.9,S
20–24,Pharmaceutical and chemical products,Water,0.4,1.2,1.8,1.3
20–24,Pharmaceutical and chemical products,Air (including truck and air),0.4,0.4,—,—
20–24,Pharmaceutical and chemical products,Pipeline,S,S,S,S
20–24,Pharmaceutical and chemical products,Multiple modes,0.1,—,—,—
20–24,Pharmaceutical and chemical products,"Parcel, U.S.P.S. or courier",—,—,—,—
20–24,Pharmaceutical and chemical products,Truck and rail,—,—,—,—
20–24,Pharmaceutical and chemical products,Other multiple modes,0.1,—,—,—
20–24,Pharmaceutical and chemical products,Other and unknown modes,—,0.1,—,—
25–30,"Logs, wood products, and textile and leather",All modes,0.5,0.4,0.8,1.4
25–30,"Logs, wood products, and textile and leather",Single modes,0.4,0.3,0.4,1.4
25–30,"Logs, wood products, and textile and leather",Truck,0.2,0.1,0.2,0.1
25–30,"Logs, wood products, and textile and leather",Rail,S,—,0.3,—
25–30,"Logs, wood products, and textile and leather",Water,0.4,0.2,0.4,1.4
25–30,"Logs, wood products, and textile and leather",Air (including truck and air),—,0.1,—,—
25–30,"Logs, wood products, and textile and leather",Pipeline,S,S,S,S
25–30,"Logs, wood products, and textile and leather",Multiple modes,0.2,—,0.5,—
25–30,"Logs, wood products, and textile and leather","Parcel, U.S.P.S. or courier",—,—,—,—
25–30,"Logs, wood products, and textile and leather",Truck and rail,—,—,—,—
25–30,"Logs, wood products, and textile and leather",Other multiple modes,0.2,—,0.5,—
25–30,"Logs, wood products, and textile and leather",Other and unknown modes,—,0.2,—,—
31–34,Base metal and machinery,All modes,1.3,0.7,1.0,0.9
31–34,Base metal and machinery,Single modes,1.1,0.6,1.1,0.9
31–34,Base metal and machinery,Truck,0.7,0.1,0.4,0.3
31–34,Base metal and machinery,Rail,—,0.1,0.1,0.2
31–34,Base metal and machinery,Water,0.6,0.3,0.9,0.6
31–34,Base metal and machinery,Air (including truck and air),0.4,0.2,—,0.1
31–34,Base metal and machinery,Pipeline,S,S,S,S
31–34,Base metal and machinery,Multiple modes,0.1,—,0.1,—
31–34,Base metal and machinery,"Parcel, U.S.P.S. or courier",0.1,—,—,—
31–34,Base metal and machinery,Truck and rail,—,—,—,—
31–34,Base metal and machinery,Other multiple modes,0.1,—,0.1,—
31–34,Base metal and machinery,Other and unknown modes,0.3,0.2,S,—
35–38,"Electronic, motorized vehicles, and precision instruments",All modes,2.2,2.6,0.6,0.3
35–38,"Electronic, motorized vehicles, and precision instruments",Single modes,2.4,2.5,0.6,0.2
35–38,"Electronic, motorized vehicles, and precision instruments",Truck,1.9,2.1,0.4,0.1
35–38,"Electronic, motorized vehicles, and precision instruments",Rail,0.3,0.2,—,—
35–38,"Electronic, motorized vehicles, and precision instruments",Water,0.6,0.3,0.2,—
35–38,"Electronic, motorized vehicles, and precision instruments",Air (including truck and air),1.4,2.9,—,—
35–38,"Electronic, motorized vehicles, and precision instruments",Pipeline,S,S,S,S
35–38,"Electronic, motorized vehicles, and precision instruments",Multiple modes,1.6,0.2,—,—
35–38,"Electronic, motorized vehicles, and precision instruments","Parcel, U.S.P.S. or courier",0.3,0.2,—,—
35–38,"Electronic, motorized vehicles, and precision instruments",Truck and rail,—,—,—,—
35–38,"Electronic, motorized vehicles, and precision instruments",Other multiple modes,S,—,—,—
35–38,"Electronic, motorized vehicles, and precision instruments",Other and unknown modes,0.3,0.4,—,—
39–43,"Furniture, mixed freight and misc. manufactured products",All modes,0.6,0.5,0.5,0.9
39–43,"Furniture, mixed freight and misc. manufactured products",Single modes,0.4,0.5,0.5,0.8
39–43,"Furniture, mixed freight and misc. manufactured products",Truck,0.2,0.1,0.2,0.2
39–43,"Furniture, mixed freight and misc. manufactured products",Rail,—,—,—,0.2
39–43,"Furniture, mixed freight and misc. manufactured products",Water,0.3,0.2,0.4,1.0
39–43,"Furniture, mixed freight and misc. manufactured products",Air (including truck and air),0.2,0.3,—,—
39–43,"Furniture, mixed freight and misc. manufactured products",Pipeline,S,S,S,S
39–43,"Furniture, mixed freight and misc. manufactured products",Multiple modes,0.4,—,—,S
39–43,"Furniture, mixed freight and misc. manufactured products","Parcel, U.S.P.S. or courier",S,—,—,S
39–43,"Furniture, mixed freight and misc. manufactured products",Truck and rail,—,—,—,—
39–43,"Furniture, mixed freight and misc. manufactured products",Other multiple modes,0.2,—,—,—
39–43,"Furniture, mixed freight and misc. manufactured products",Other and unknown modes,—,—,—,—
—,Commodity Unknown,All modes,0.1,0.3,S,0.1
—,Commodity Unknown,Single modes,—,0.2,S,—
—,Commodity Unknown,Truck,—,—,S,—
—,Commodity Unknown,Rail,S,S,S,—
—,Commodity Unknown,Water,—,—,S,—
—,Commodity Unknown,Air (including truck and air),—,0.2,S,—
—,Commodity Unknown,Pipeline,—,—,—,—
—,Commodity Unknown,Multiple modes,S,S,S,S
—,Commodity Unknown,"Parcel, U.S.P.S. or courier",S,S,S,S
—,Commodity Unknown,Truck and rail,—,—,—,—
—,Commodity Unknown,Other multiple modes,S,—,S,—
—,Commodity Unknown,Other and unknown modes,S,S,S,S
"
KEY: 
— Represents an estimate equal to zero or less than 1 unit of measure.
S Estimate does not meet publication standards because of high sampling variability or poor response quality.",,,,,,
"NOTE: The Introduction and appendixes give information on confidentiality protection, sampling error, nonsampling error, sample design, and definitions. Links to this information on the Internet may be found at www.census.gov/cfs.",,,,,,
"SOURCE:  Research and Innovative Technologies Administration, Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, Export Data, March 2005.",,,,,,
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