联合国数据库操作介绍(15)

联合国关于国际贸易商品数据库操作的详细介绍

UNSD - OECD Joint System

Web Browser Client - UN Comtrade Version User Manual

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1.1.

2.7. View Not Available Data INFO³/OECD Ref: Comtrade Manual - Data Query & Extraction.doc This function points out the data items that are not available (i.e., that haven’t been provided by the selected country, or that have been rejected by UNSD…), for the selected year, classification and commodity. Most of the time, the data will be available, and the following form will pop up:

Figure 29: not available data: none for this example

Another selection can show unavailable data for a specific year:

Figure 30: data from Albania unavailable in 2002 for the selected commodities