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2002年,我国有进口或出口行为的企业共有104239家,进出口总值6062亿美元,平均每家企业进出口值582万美元,比上年平均值多3万美元。但企业之间贸易额差异巨大,对外贸易的企业分布成高度不均衡状态。 2002年,东莞市对外加工装配服务公司一家企业完成进出口总值137亿美元,占全国外贸总值的2. 3％。前10家企业完成了全国外贸总值的10％,前65家完成20％,前200家完成30％,前500家40％,前1000家50％,前2000家60％,前4000家70％,前8000家80％。非常巧合的是从500家企业开始,企业数每增加1倍,企业所经营的进出口在对外贸易总值中的比重就增加10个百分点。
In 2002, there were 104,239 enterprises that imported or exported in China, with a total import and export value of 606.2 billion U.S. dollars. The average import and export value of each enterprise was 5.8 million U.S. dollars, an increase of 30,000 U.S. dollars over the previous year. However, there are huge differences in the volume of trade between enterprises and the distribution of foreign trade enterprises in a highly unbalanced state. In 2002, Dongguan City, an external processing assembly services company completed a total import and export value of 137 billion US dollars, accounting for 2.3% of the total foreign trade. The top 10 companies completed 10% of the country’s total foreign trade, with the top 65 completing 20%, the top 200 completing 30%, the top 500 40%, the top 1000 50%, the top 60 60% and the top 4,000 70 %, 80% of the top 8,000. It is very coincidental that starting from 500 enterprises, each doubling of the number of enterprises increases the proportion of the import and export of enterprises in the total value of foreign trade by 10 percentage points.