Commodity2005200620072008200920102011
Grinding balls & sim. arts. for mills, of iron/steel, forged/stamped but no ...$38,133$121,642$179,916$133,555$484$1,192,592 
Articles of iron/steel, forged/stamped but not furth. wkd., n.e.s.$1,790,290$2,267,983$5,508,011$5,287,260$2,195,166$3,347,767$8,785,321
Articles of iron/steel wire$2,771,504$8,372,589$3,296,923$4,662,870$2,172,834$3,580,767$9,297,891
Articles of iron/steel, n.e.s.$16,186,199$31,773,688$38,693,493$36,632,542$14,752,291$24,465,957$34,509,641
Total$20,786,126$42,535,902$47,678,343$46,716,227$19,120,775$32,587,083$52,592,853