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Table B-6. Estimated Measures of Reliability for Shipment Characteristics by Three-Digit Commodity for the United States: 2012—Con.

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(Estimates are based on data from the 2012 Commodity Flow Survey)

SCTG code Commodity description Value Tons Ton-miles (1) Average miles per shipment—coefficient of variation of number
Coefficient of variation of number Standard error of percent of total Coefficient of variation of number Standard error of percent of total Coefficient of variation of number Standard error of percent of total
  All commodities (2) 1.1 0 1.8 0 3.7 0 3.4
010 Live animals and live fish 24.6 Z 24.7 Z 22.2 Z 19.2
021 Wheat 14 Z 14.5 0.2 39.1 1.1 22.9
022 Corn, except sweet 11.6 0.1 12.1 0.3 22 0.5 11.6
029 Other cereal grains 22.2 Z 30.3 0.1 31.2 0.1 20.8
031 Fresh or chilled potatoes, except sweet 18.3 Z 24.3 Z 34.5 0.1 22.8
032 Fresh or chilled edible vegetables (except potatoes), and dried vegetables 8.3 Z 6.6 Z 12.9 0.1 25.4
033 Fruit and nuts, edible, fresh, chilled, or dried 12.1 Z 12.3 Z 15.3 0.1 24.4
034 Soy beans 6.9 Z 6.3 0.1 13.9 0.4 11.9
035 Oil seeds and nuts, except olives and soy beans 17.6 Z 21.5 Z 35.5 0.1 15.8
036 Bulbs, live plants, and seeds for sowing, n.e.c. 12.5 Z 19 Z 22.3 Z 12.8
039 Fresh-cut flowers, plants, and parts of plants, and other agricultural products 13.9 Z 22.2 Z 17.1 Z 23.5
041 Eggs, cereal straw or husks, forage products, residues and waste from the food industries used in animal feeding, other products of animal origin, n.e.c. 7.7 Z 7.8 0.1 7.2 0.1 20.2
042 Animal feed preparations 9.5 0.1 10.8 0.1 10.6 0.1 24.9
051 Meat and poultry, fresh, chilled, or frozen, meat in brine, dried or smoked 3.4 0.1 3.5 Z 4.1 0.1 5.7
052 Fish (except live), seafood, and their preparations 10.8 Z 12.5 Z 16.4 Z 23.1
053 Preparations, extracts, and juices of meat, fish, or seafood 44.9 Z 49.8 Z S S 36.3
061 Wheat flour, groats, and meal 10.3 Z 11.8 Z 16.4 Z 13.8
062 Malt, milled rice and corn (broken, flour, groats, and meal, inulin, wheat gluten, milled cereals and other vegetables and grains 17.8 Z 20.5 0.1 25.9 0.2 23.4
063 Bakery products and food preparations of cereals, flour, starch or milk 6.4 Z 7.9 Z 10.7 Z 25.6
064 Bakery products, including frozen 8 Z 8.2 Z 11 Z 23.6
071 Dairy products except beverages and preparations of milk 4.8 Z 6.3 Z 7.1 0.1 39
072 Processed or prepared vegetables, fruit, or nuts, except dried or milled, and juices 10.2 0.1 16.9 0.1 32.9 0.5 13.5
073 Coffee, tea, and spices, except unprocessed coffee and unfermented tea 15.7 Z 15.2 Z 23.8 Z 21.8
074-R (3) Animal or vegetable fats, oils, waxes, and their cleavage products, prepared edible fats, and flours and meals of oil seeds (excludes oils and fats for use as biodiesel) 6.9 Z 8.8 Z 8.1 0.1 26
075 Sugars confectionery, solid or syrups not containing added flavoring or coloring 11.1 Z 10.3 Z 12 0.1 30
076 Confectionery, cocoa, and cocoa preparations 4.9 Z 6.4 Z 8.5 Z 12.6
077 Edible preparations, n.e.c., and vinegar 10.8 0.1 9.5 Z 7.7 0.1 13.1
078 Nonalcoholic beverages, n.e.c., and ice 3.6 Z 4.9 0.1 6.2 0.1 37.7
081 Malt beer 5.3 Z 6.4 Z 13.9 0.1 3.4
082 Wine and other fermented beverages 7.7 Z 9.1 Z 18.2 0.1 17.9
083-R (4) Spirituous beverages and undenatured ethyl alcohol 7.6 Z 12.3 Z 19.8 Z 5.2
084 Denatured ethyl alcohol, not for ingestion or use as biofuel 18.1 Z 27.1 Z 26.4 Z 28.2
090 Tobacco products 15 0.1 13.1 Z 15.6 Z 19.7
100 Monumental or building stone, except dolomite 17 Z 11.3 Z 10.4 Z 11.7
110 Natural sands, except metal-bearing 10.3 Z 14 0.6 10.3 0.2 12.7
120 Gravel and crushed stone, except dolomite and slate 2.7 Z 2.9 0.4 6.5 0.3 7.7
131 Salt 19.7 Z 12.3 Z 18 0.1 18.6
132 Natural calcium phosphates, natural aluminum-calcium phosphates, and phosphatic chalk 24.2 Z 28.2 Z 22.1 Z 35.3
133 Dolomite, including monumental, building, and crushed 8.4 Z 10.9 0.1 27.8 0.1 13.3
139 Other nonmetallic minerals, n.e.c. 8.3 Z 18.8 0.1 15.6 0.1 20.3
141 Iron ores and concentrates 26.2 Z 23.6 0.2 29.5 0.5 18.9
149 Metallic ores and concentrates, except iron 11.2 Z 16.1 Z 19.5 Z 20.2
151 Nonagglomerated bituminous coal 5.8 Z 8.8 0.7 13.6 2.3 4.5
159 Coal, except nonagglomerated bituminous coal 24.9 Z 28.2 0.2 29.4 Z 45.8
160 Crude petroleum 0 0 0 0 0 0 0
171-R (5) Gasoline, and blends of gasoline and 10 percent ethanol 4 0.3 3.9 0.4 12 0.2 12.7
172-R (6) Aviation turbine fuel (types a and b), and kerosene 11 0.1 10.7 0.1 31.8 0.1 12.1
175 Ethanol, ethanol blends of more than 10 percent ethanol, and other fuel alcohols 19.7 Z 19.4 Z 39.5 0.1 18.8
176 Ethanol, for use as biofuels 10.3 Z 9.2 Z 11.3 0.1 13.6
181 Fuel oils 8.7 0.4 10.8 0.7 30.3 0.6 9.6
182 Blends of fuel oils and biofuel, biodiesel 25.5 0.1 26.7 0.2 32 Z 9.4
191 Lubricating oils and greases 8.4 0.1 10.3 0.1 7.5 0.1 10.4
192 Refined petroleum oils and oils obtained from bituminous minerals, n.e.c. 10.7 Z 9.2 Z 18.3 0.1 20.3
193 Gaseous hydrocarbons 6.6 Z 7.1 Z 19.5 0.1 12.5
199 Other products of petroleum refining, and coal products, n.e.c. 23.5 0.1 14.8 0.4 41.7 0.6 19.4
201 Sodium hydroxide (caustic soda) and potassium hydroxide (caustic potash) 7.5 Z 12.4 Z 13.3 Z 19.9
202 Inorganic chemicals, n.e.c. 4.2 Z 4.6 0.1 9.4 0.3 10.3
203 Cyclic hydrocarbons 19 Z 18.2 Z 36.5 0.1 15.9
204 Phenols, phenol-alcohols, aldehydes, cyclic polymers of aldehydes, and acyclic alcohols, and organic acids 16.6 Z 15.3 Z 19.1 0.1 11.6
205 Organic chemicals, n.e.c. 10.4 0.1 13.4 0.1 10.3 0.1 14.1
210 Pharmaceutical products 2.5 0.1 7.2 Z 8.5 Z 12.2
220 Fertilizers and fertilizer materials 6.6 Z 15.6 0.3 12.2 0.3 11.4
231 Paints and varnishes, enamels, tanning or dyeing extracts, tannins and their derivatives, inks, lakes, toners, and ink 5.9 Z 9.1 Z 8.7 Z 11.9
232 Essential oils and resinoids, and perfumery, cosmetic, or toilet preparations 13.6 0.1 12.1 Z 12.7 Z 7.3
233 Soap, organic surface-active agents, cleaning preparations, polishes and creams, and scouring preps 5.7 Z 8.4 Z 9.5 Z 19.7
234 Photographic film, plates, paper, paperboard, or textiles, and chemical preps for photographic use 21.2 Z 31.8 Z 22.8 Z 12.9
235 Insecticides, rodenticides, fungicides, herbicides, disinfectants, etc. 9.1 Z 10.5 Z 14.6 Z 15.3
239 Other chemical products and preparations: glues, prepared explosives, activated natural mineral products, anti-knock preparations, etc. 9.7 0.1 14.6 0.1 8.9 0.1 13.4
241 Plastics and rubber in primary forms or sheets 7.8 0.1 10.7 0.1 13.1 0.2 9.2
242 Manmade fibers and plastics basic shapes and articles 3.5 0.1 3 Z 3.6 0.1 10.5
243 Rubber articles 9.2 0.1 17.5 Z 8.6 Z 7.6
250 Logs and other wood in the rough 17 Z 25.1 0.1 20.2 Z 29.4
261 Wood chips or particles 11.9 Z 14.3 0.1 12.1 Z 22.9
262 Lumber, wood continuously shaped along any of its edges or faces, shingles and shakes 5.1 Z 5 Z 9.3 0.1 10.2
263 Veneer sheets and sheets for plywood, particle board, fiberboard, plywood, and similar laminated wood 8 Z 19 0.1 6 Z 14.1
264 Windows, doors, thresholds, and builders’ joinery and carpentry of wood, except shingles and shakes 3.1 Z 8.6 Z 6.4 Z 12.3
269 Other wood products 5.3 Z 9 Z 12.7 Z 12.4
271 Pulp of fibrous cellulosic materials 15.3 Z 17.9 Z 16.8 Z 14.5
272 Newsprint in large rolls or sheets 22.1 Z 15.7 Z 21.1 Z S
273 Uncoated paper, tissue, and paperboard in large rolls or sheets 5.7 Z 7.5 0.1 7.7 0.1 12.6
274 Coated, impregnated, treated, or worked paper and paperboard, in large rolls or sheets 6.9 Z 7.8 Z 8.9 0.1 10.4
280 Paper or paperboard articles 2.5 Z 3.5 Z 3.6 Z 11
291 Printed books, brochures, leaflets, and similar printed products 6.9 Z 10.8 Z 11.9 Z 8
292 Newspapers, journals, and periodicals 7.8 Z 13.8 Z 12.9 Z S
293 Advertising material, commercial or trade catalogues, and similar printed products 3.6 Z 14.5 Z 14.1 Z 2.9
299 Other printed products 9.8 Z 22.5 Z 18.1 Z 2.7
301 Textile fibers, yarns, and broad woven or knitted fabrics 7.9 Z 10.1 Z 10.3 Z 5.7
302 Textile clothing and accessories, and headgear, except safety 14.4 0.3 20.3 Z 24.3 0.1 2
303 Textiles and textile articles, n.e.c. 6.1 Z 10.2 Z 17 0.1 5.3
304 Leather footwear 12.2 Z 9 Z 14.4 Z 4.2
305 Leather and articles of leather or allied materials, and dressed fur skins 13.9 Z 27 Z 29.2 Z 4.1
311 Hydraulic cements 5.3 Z 6.7 0.1 7.8 0.1 5.6
312 Ceramic products 9.8 Z 14.2 Z 15.6 Z 11.8
313 Glass and glass products 5.5 Z 7.2 Z 9 Z 6.5
319 Other nonmetallic mineral products 4.7 Z 4.4 0.3 5.4 0.1 12.2
321 Ferro-alloys, and iron and steel in primary or semi-finished forms, or in powders or granules 8.4 Z 8.3 Z 9.1 Z 16.6
322 Flat-rolled products of iron or steel 3.6 Z 4.3 0.1 5.1 0.1 8.1
323 Bars, rods, angles, shapes, sections, and wire, of iron or steel 4.3 Z 6.8 Z 6.2 0.1 11
324 Nonferrous metal, except precious, unwrought, or in finished basic shapes, or in powders or granules 2.8 Z 4.2 Z 5.2 Z 7.3
331 Pipes, tubes, and fittings 3 Z 6.6 Z 6.8 Z 5.8
332 Structures and parts, except prefabricated buildings 5.8 Z 8.1 Z 8.1 Z 9.5
333 Hand tools, cutlery, except of precious metals, interchangeable tools for hand or machine tools, hardware, and industrial fasteners 3.9 Z 8.9 Z 10.4 Z 5.9
339 Other articles of metal 5.6 Z 7.4 Z 8.8 Z 3.6
341 Internal-combustion engines and parts 7.6 0.1 10.1 Z 24.8 Z 10.3
342 Turbines, boilers, nuclear reactors, and nonelectric engines and motors, except internal-combustion 13.3 0.1 15.2 Z 17.2 Z 17
343 Pumps, compressors, fans, and ventilating or recycling hoods incorporating a fan 4.2 Z 6 Z 6.9 Z 6.1
344 Air-conditioning, refrigerating, or freezing equipment 6.3 Z 8.9 Z 8.4 Z 18.7
345 Materials-handling, excavating, boring, and related machinery and equipment 7 0.1 9.4 Z 10 Z 10.2
349 Other mechanical machinery, n.e.c. 4.5 0.1 21.5 0.1 10.1 Z 4.3
351 Electric motors, generators, rotary or static converters, and transformers 6 Z 20.1 Z 13.8 Z 11
352 Electric cooking appliances, electro-thermic, or electro-mechanical domestic appliances 14.7 Z 14.7 Z 15.7 Z 4.9
353 Line telephone or telegraph apparatus 11.8 Z 18.3 Z 15.2 Z 4.6
354 Electronic entertainment products, except parts 13.6 0.1 15.8 Z 13.6 Z 5.6
355 Computer and electronic office equipment 4.7 0.1 8.4 Z 11.8 Z 2.9
356 Prepared unrecorded or prerecorded media 7.4 Z 16.3 Z 22.4 Z 5.3
357 Transmission, and reception apparatus for radio, television, radar, and remote-control 12.1 Z 34.1 Z 23.8 Z 11.7
358 Electronic components and parts 6.5 0.1 9.2 Z 8.8 Z 7.1
359 Other electronic and electrical equipment, n.e.c. 3.9 0.1 5.7 Z 6 Z 9
361 Motorized vehicles for transport of less than 10 people, except motorcycles, armored, and recreational 6.8 0.1 8.4 Z 12.5 0.1 20.1
362 Motor vehicles for the transport of goods, and road tractors for semi-trailers 9.4 Z 21.3 Z 7.5 Z 23.3
363 Other vehicles 6 0.1 8.2 Z 6.9 Z 8.1
364 Motor vehicles parts and accessories except motorcycles and armored fighting vehicles 2.3 0.1 6 Z 11.1 0.1 9.1
371 Railway equipment including locomotives and rolling stock, railway track fixtures and fittings, and parts 21.2 Z 13.5 Z 13.9 Z 9.2
372 Aircraft and spacecraft 8.4 0.1 7.5 Z 8.4 Z 4.9
373 Ships, boats, and floating structures 10 Z 8.6 Z 34.4 Z 20.1
381 Optical elements, instruments, and apparatus, except photographic and cinematographic 9.8 Z 15.3 Z 29.8 Z 6.8
382 Photographic and photocopying machines 18.5 Z 12.4 Z 27 Z 9.9
383 Surveying, hydrographic, oceanographic, hydrological, meteorological, and geophysical instruments and appliances 16 Z 22.2 Z 14.2 Z 10.1
384 Instruments, apparatus, and appliances for medical, surgical, dental, veterinary, or similar purposes 3.6 0.1 29 Z 14 Z 3.9
385 Meters and other instruments and apparatus for measuring or process control 6.5 Z 17.1 Z 22.8 Z 6.4
390 Furniture, mattresses and mattress supports, lamps, lighting fittings, and illuminated signs 10.8 0.1 12.1 Z 6.7 Z 7.8
401 Arms and ammunition 14.9 Z 19.7 Z 11 Z 2
402 Toys, games, and sporting equipment 17.8 0.1 16.4 Z 12.1 Z 5.5
409 Miscellaneous manufactured products 4.2 0.1 12 0.1 7.8 0.1 3.1
411 Metallic waste and scrap 10.8 0.1 6.1 0.1 19.7 0.3 8.7
412 Nonmetallic waste and scrap, except from food processing 20.7 Z 19.6 0.1 25.5 0.1 10.6
439 Mixed freight 3.4 0.3 3.3 0.1 4.7 0.1 9.5
999 Commodity unknown 37.9 Z 33 Z 28 Z 19.4

KEY: Z = Rounds to zero.

(1) Ton-miles estimates are based on estimated distances traveled along a modeled transportation network. See “Mileage Calculations” section for additional information.

(2) Estimates exclude shipments of crude petroleum (SCTG 16).

(3) Prior to the 2012 CFS, oils and fats treated for use as biodiesel were included in Commodity Code 074. In the 2012 CFS, oils and fats treated for use as biodiesel moved to Commodity Code 182.

(4) Prior to the 2012 CFS, denatured alcohol of more than 80 percent by volume was included in Commodity Code 083. In the 2012 CFS, denatured alcohol of more than 80 percent by volume moved to Commodity Code 084.

(5) Prior to the 2012 CFS, Commodity Code 171 only included gasoline. In the 2012 CFS, mixtures of 10 percent ethanol and gasoline moved to Commodity Code 171.

(6) Prior to the 2012 CFS, kerosene was included in Commodity Code 192. In the 2012 CFS, kerosene moved to Commodity Code 172.

NOTES: 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: U.S. Department of Transportation, Bureau of Transportation Statistics and U.S. Department of Commerce, U.S. Census Bureau, 2012 Economic Census: Transportation Commodity Flow Survey, December 2014.

Updated: Saturday, May 20, 2017