Export Table B–6,,,,,
"Estimated Measures of Reliability for Export Shipment Characteristics by Two-Digit Commodity: 2002
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"[Estimates are shown as percents and are based on data from the 2002 Commodity Flow Survey]
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SCTG code,Commodity description,Value,,Tons,
,,CV 02,Std. error of percent ,CV 02,Std. error of percent 
—,All Commodities ,4.9,—,11.8,—
01,Live animals and live fish,S,S,S,S
02,Cereal grains,18.2,0.4,18.9,2.9
03,Other agricultural products,25.4,0.8,24.4,2.4
04,"Animal feed and products of animal origin, nec",15.8,0.1,24.5,0.7
05,"Meat, fish, seafood, and their preparations",19.4,0.2,24.2,0.2
06,"Milled grain products and preparations, and bakery products",14.1,—,25.0,0.3
07,Other prepared foodstuffs and fats and oils,16.5,0.2,16.1,0.4
08,Alcoholic beverages,24.2,—,22.3,—
09,Tobacco products,S,S,S,S
10,Monumental or building stone,S,S,S,S
11,Natural sands,13.4,—,14.7,—
12,Gravel and crushed stone.,19.6,—,30.9,0.7
13,Nonmetallic minerals n.e.c,22.0,—,20.5,0.5
14,Metallic ores and concentrates,24.2,0.1,41.1,1.1
15,Coal,26.8,—,23.3,0.9
17, Gasoline and aviation turbine fuel ,31.9,—,34.4,0.4
18,Fuel oils,S,S,S,S
19,"Coal and petroleum products, n.e.c.",41.3,0.3,29.1,0.6
20,Basic chemicals,16.0,0.5,27.0,0.9
21,Pharmaceutical products,15.3,0.4,25.3,—
22,Fertilizers,36.5,0.1,S,S
23,"Chemical products and preparations, n.e.c",15.5,0.3,18.0,0.2
24,Plastics and rubber,6.9,0.3,17.4,0.6
25,Logs and other wood in the rough.,38.4,0.1,44.9,0.2
26,Wood products,14.2,0.1,20.9,0.3
27,"Pulp, newsprint, paper, and paperboard",13.2,0.2,17.8,0.8
28,Paper or paperboard articles,18.2,0.1,21.9,—
29,Printed products,23.2,0.1,19.8,—
30,"Textiles, leather, and articles of textiles or leather",12.5,0.3,13.9,0.1
31,Nonmetallic mineral products,27.0,0.3,26.1,0.3
32,Base metal in primary or semifinished forms and in finished basic shapes,11.9,0.3,25.2,0.7
33,Articles of base metal,14.2,0.3,35.3,0.5
34,Machinery,9.4,1.1,13.6,0.2
35,Electronic and other electrical equipment and components and office equipment,13.9,2.0,6.9,0.1
36,Motorized and other vehicles (including parts),15.9,1.7,14.1,0.5
37,"Transportation equipment, n.e.c",25.9,1.3,36.2,—
38,Precision instruments and apparatus,21.1,1.3,14.9,—
39,"Furniture, mattresses and mattress supports, lamps, lighting fittings",17.2,—,19.6,—
40,Miscellaneous manufactured products,11.5,0.5,20.4,0.2
41,Waste and scrap,21.5,0.2,24.3,0.5
43,Mixed freight,14.6,0.2,15.9,—
—,Commodity unknown,32.1,0.1,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.
CV Coefficient of variation of number",,,,,,,,
"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.",,,,,,,,