UN Comtrade Reference Tables UN Comtrade Reference Tables Trade FLow (Regime) Codes 1 Imports 2 Exports 3 Re-Exports 4 Re-Imports WCO/UN Comtrade Supplementary Quantity Units In addition to net weight, all detailed UN Comtrade data also have supplementary quantity units. These units of measurement are based on the standards of quantity recommended by the World Customs Organization (WCO): UN Comtrade Code WCO Abbreviation Description 1 - No quantity 2 m2 Area in square meters 3 1000 kWh Electrical energy in thousands of kilowatt-hours 4 m Length in meters 5 u Number of items 6 2u Number of pairs 7 l Volume in liters 8 kg Weight in kilograms 9 1000u Thousand of items 10 U (jeu/pack) Number of packages 11 12u Dozen of items 12 m3 Volume in cubic meters 13 carat Weight in carats Commodity and Country You can download the references for commodities (HS or SITC versions) and countries in Microsoft Excel , TXT , Microsoft Access formats from the attached zip files. For the HS code description, see http://unstats.un.org/unsd/tradekb/Knowledgebase/Harmonized-Commodity-Description-and-Coding-Systems-HS Please note that the following are the variable descriptions for the commodities files: CmdCode: Commodity code CmdDesc: Commodity description IsLeaf: Basic code without children Parentcode: High level of that commodity code UN Comtrade Reference Tables pfDesc: Commodity classification PfCode: Commodity classification code yr: Year rtCode Reporter Code ptCode: Partner Code qtCode: Quantity code H5=2017, H4=2012, H3=HS2007, H2=HS2002, H1=HS1996, H0=1992, S4=SITC.4, S3=SITC.3, S2=SITC.2, S1=SITC.1, BE=BEC The following are the variable descriptions for country files: Cty Code: Country code Cty Name English: Country name in English Cty Fullname English: Country full name in English Cty Abbrevation: Country name abbreviated Cty Comments: Applicable comments regarding country ISO2-digit Alpha: ISO 2 digit alpha code ISO3-digit Alpha: ISO 3 digit alpha code Start Valid Year: Year starting for country code validation End Valid Year: Year ending for country code validation For all country code and name, see http://unstats.un.org/unsd/tradekb/Knowledgebase/Comtrade-Country-Code-and-Name or http://unstats.un.org/unsd/tradekb/Knowledgebase/50347/Country-Code Trade Knowledgebase http://unstats.un.org/unsd/tradekb/Knowledgebase/50039/UN-Comtrade-Reference-Tables.