查询结果如下：

年份	国家/地区	[OPEC]:Org of Petroleum Exporting Countries	[WTO]:World Trade Org
2000	阿富汗	No Membership	No Membership
2001	阿富汗	No Membership	No Membership
2002	阿富汗	No Membership	No Membership
2003	阿富汗	No Membership	No Membership
2004	阿富汗	No Membership	No Membership
2005	阿富汗	No Membership	No Membership

 
数据说明：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.
数据来源：http://www.correlatesofwar.org/data-sets/IGOs
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相关数据链接：

政府间组织数据（组织视角）