Commodity2005200620072008200920102011
Cast arts. of non-malleable cast iron, n.e.s.$246,351$291,613$200,354$154,270$97,730$69,046$96,209
Grinding balls & sim. cast arts. for mills, of iron/steel$1,866  $33$419  
Cast arts. of iron (excl. non-malleable cast iron)/steel, n.e.s.$85,629$132,764$99,112$79,924$72,078$35,895$53,771
Total$333,846$424,377$299,466$234,227$170,227$104,941$149,980