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2007 Commodity Flow Survey (CFS). John Fowler Chief, Commodity Flow Branch Service Sector Statistics Division (SSSD) Talking Freight Webinar December 10, 2008. 2007 CFS - Background. Conducted through a major partnership between: U.S. Census Bureau U.S. Department of Commerce
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2007 Commodity Flow Survey (CFS) John Fowler Chief, Commodity Flow Branch Service Sector Statistics Division (SSSD) Talking Freight Webinar December 10, 2008
2007 CFS - Background • Conducted through a major partnership between: • U.S. Census Bureau • U.S. Department of Commerce • Bureau of Transportation Statistics (BTS) - Research and Innovative Technology Administration • U.S. Department of Transportation • Measures movement of goods in the U.S. by all modes of transportation
2007 CFS – Where We Are Now • Mailing began December 2006. Follow-up continued through February 2008 • Each establishment is mailed 4 questionnaires: One in each calendar quarter • Editing, data review and resolution began April 2007, continuing through Nov. 2008
CFS Sampling • Three Stages of Sampling • Establishments • Weeks of the year • Outbound shipments
CFS Sampling Establishments: A shipper based survey, using a sample of employer establishments in: • Mining • Manufacturing • Wholesale • Selected Retail and Service Industries Also includes warehouse locations of retail and other multi-establishment companies
CFS Sampling • Sample weeks of the year • 4 one-week reporting periods assigned to each establishment • 1 reporting period in each calendar quarter • Sample covers all 52 weeks of the year
CFS Sampling • Sample of Outbound Shipments • For each reporting period respondents report for a sample of outbound shipments • Sample of shipments is selected by respondents using instructions provided • Average number of shipments reported = 23 • Maximum reported set at 40
CFS Data Collection • For each sampled shipment, respondents report: • Origin, destination • Mode of transportation • Commodity (5-digit SCTG) • Value of shipment • Weight of shipment • New for 2007 CFS • Intermodal Status • 3 PL Questions
CFS Data Collection • Hazardous Material Information • Four digit UN/NA (United Nations/North America Code) • Export Information • Export mode • Foreign destination
CFS Summary Statistics • Ongoing Measures • Value, Tons, Ton Miles, Average Miles per Shipment • Commodity Shipped • Modes of Transportation • Origin/Destination Flows • New for 2007 CFS • By Industry (NAICS) • 3 PL Results
CFS Publication Levels of CFS Data • National • Census Regions and Divisions • States • Selected Metropolitan Areas & Remainder of State areas • Hazardous Materials Report • Exports
2007 CFS: Improvements/Changes From 2002 • Increase in sample size 2002 CFS: 50,0002007 CFS: 100,000
2007 CFS: Improvements/Changes From 2002 • Conducted Advance Survey – February 2006 Targeted 45,000 Auxiliary locations (establishments providing support only for parent company – i.e., warehouses) 40,000 Certainty establishments
2007 CFS: Improvements/Changes From 2002 • Cognitive Testing for all Survey Materials Approximately 70 company interviews Improvements to questionnaire, instruction guide, commodity coding manual
2007 CFS: Improvements/Changes From 2002 • New Disclosure Avoidance Methodology Previously relied upon cell suppression. Usually not many, but potential impact on publication schedule was high 2007 CFS will use Noise methodology
2007 CFS: Improvements/Changes From 2002 • Data Dissemination - American FactFinder (AFF) 2007 CFS will use AFF for the first time Print Reports: U.S., Hazardous Materials, Exports
2007 CFS Publication Milestones • December 9, 2008: Release of Preliminary/Advance Report on AFF • December 2009: Release of Final Series Reports
2007 CFS • Additional Information: www.census.gov/cfs John Fowler 301-763-2108 john.l.fowler@census.gov