The query results as follows：

Year	Country/Area	[OPEC]:Org of Petroleum Exporting Countries	[WTO]:World Trade Org
2000	Afghanistan	No Membership	No Membership
2001	Afghanistan	No Membership	No Membership
2002	Afghanistan	No Membership	No Membership
2003	Afghanistan	No Membership	No Membership
2004	Afghanistan	No Membership	No Membership
2005	Afghanistan	No Membership	No Membership

 
Data description: Although the number of intergovernmental organizations (IGOs) grew dramatically during the late 20th century, they have been part of the world scene for much longer. This data set tracks the status and membership of such organizations from 1815-2005. Access information about this data here. This data set is hosted by Timothy Nordstrom, University of Mississippi, Jon Pevehouse, University of Wisconsin and Megan Shannon, Colorado-Boulder.
Data Sources: http://www.correlatesofwar.org/data-sets/IGOs
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Links to relevant data：

International Governmental Organizations(Organizations Vision)