Export Table B–4b,,,,,,,,,
"Estimated Measures of Reliability for Export Shipment Characteristics by Export Mode and Country of Destination: 2002 and 1997
",,,,,,,,,
"[Estimates are shown as percents and are based on data from the 2002 and 1997 Commodity Flow Surveys]
",,,,,,,,,
Country of destination,Export mode of transportation,Value,,,Tons,,,,
,, CV 02 , CV 97 , Std. error of percent change 1997–2002 , CV 02 , CV 97 , Std. error of percent change 1997–2002 ,,
Total,All modes, 4.9 , 3.8 ,6.6, 11.8 , 7.3 ,15.2,,
Canada,All modes, 4.5 , 4.4 ,7.9, 9.5 , 13.0 ,18.9,,
Canada,Single modes, 4.7 , 5.5 ,9.2, 9.0 , 13.4 ,18.1,,
Canada,Truck, 5.9 , 3.7 ,9.7, 5.7 , 9.5 ,13.0,,
Canada,Rail, 13.7 , 26.4 ,25.8, 18.8 , 21.2 ,38.5,,
Canada,Water, 12.6 , 17.5 ,20.0, 18.4 , 19.0 ,23.1,,
Canada,Air (including truck and air), 13.2 , 13.0 ,18.0, 25.3 , 26.9 ,22.1,,
Canada,Pipeline, S , S ,S, S , S ,S,,
Canada,Multiple modes, 10.9 , 7.4 ,55.9, 31.3 , 13.8 ,S,,
Canada,"Parcel, U.S.P.S. or courier", 22.4 , 7.4 ,42.6, 17.2 , 13.8 ,14.6,,
Canada,Truck and rail, — , — ,—, — , — ,—,,
Canada,Other multiple modes, 11.1 , — ,—, 31.7 , — ,—
Canada,Other and unknown modes, 21.7 , 9.9 ,6.9, 36.4 , 10.5 ,19.6
Mexico,All modes, 18.0 , 25.9 ,41.4, 16.0 , 23.7 ,43.0
Mexico,Single modes, 7.1 , 30.0 ,32.3, 16.5 , 24.8 ,44.7
Mexico,Truck, 9.8 , 40.2 ,43.3, 13.0 , 29.2 ,37.6
Mexico,Rail, 12.0 , S ,S, 26.1 , 48.2 ,56.6
Mexico,Water, 27.4 , S ,S, 28.8 , S ,S
Mexico,Air (including truck and air), 23.4 , 13.9 ,40.4, 28.5 , 14.3 ,29.0
Mexico,Pipeline, S , S ,S, S , S ,S
Mexico,Multiple modes, S , 29.1 ,S, 20.4 , 42.7 ,S
Mexico,"Parcel, U.S.P.S. or courier", 22.1 , 29.1 ,77.3, S , 42.7 ,S
Mexico,Truck and rail, — , — ,—, — , — ,—
Mexico,Other multiple modes, S , — ,S, 20.8 , — ,—
Mexico,Other and unknown modes, 22.6 , 44.8 ,17.0, 9.2 , 25.5 ,11.2
All Other,All modes, 4.9 , 4.3 ,6.4, 15.0 , 7.7 ,17.3
All Other,Single modes, 5.3 , 5.2 ,7.3, 15.6 , 8.3 ,18.5
All Other,Truck, 42.1 , 10.6 ,120.5, 10.4 , 15.9 ,12.9
All Other,Rail, 21.8 , 18.4 ,79.4, 43.7 , 24.5 ,281.9
All Other,Water, 5.8 , 6.5 ,8.6, 16.4 , 8.5 ,19.2
All Other,Air (including truck and air), 7.5 , 9.3 ,10.9, 11.5 , 8.8 ,12.2
All Other,Pipeline, S , 32.6 ,S, S , 35.9 ,S
All Other,Multiple modes, 6.1 , 10.0 ,37.8, 24.7 , 40.7 ,S
All Other,"Parcel, U.S.P.S. or courier", 10.3 , 10.0 ,20.7, 46.9 , 40.7 ,41.6
All Other,Truck and rail, — , — ,—, — , — ,—
All Other,Other multiple modes, 8.8 , — ,—, 25.6 , — ,—
All Other,Other and unknown modes, 16.1 , 8.6 ,5.3, 36.5 , 29.5 ,11.4
"
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.",,,,,,,