Mar. 6 (Bloomberg)-Following is a table of the world's 10 biggest producers of refined copper in 2011 by output, according to London-based metals consulting company CRU. Output figures are in thousands of metric tons. Production is attributed to the owners of each mine in proportion to the stake held, according to CRU.

Company                                    Production
1.  Codelco                                  1,694
2.  Aurubis AG                               1,151
3.  Freeport-McMoRan Copper & Gold Inc.      1,036
4.  Jiangxi Copper Co.                         941
5.  Xstrata Plc                                687
6.  BHP Billiton Ltd.                          641
7.  Grupo Mexico SAB                           634
8.  Glencore International Plc                 629
9.  Tongling Nonferrous Metals Group Co.       571
10. Nippon Mining & Metals Co.                 570