Table B-6. Estimated Measures of Reliability for Export Shipment Characteristics by Two-Digit Commodity: 2002
Monday, July 2, 2012
Table B-6. Estimated Measures of Reliability for Export Shipment Characteristics by Two-Digit Commodity: 2002
[Estimates are shown as percents and are based on data from the 2002 Commodity Flow Survey]
| 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.