Commodity200620072008200920102011
Cast arts. of non-malleable cast iron, n.e.s.$740,106$1,357,913$1,560,384$1,106,146$707,975$581,667
Grinding balls & sim. cast arts. for mills, of iron/steel$7,320 $2,220$7,126  
Cast arts. of iron (excl. non-malleable cast iron)/steel, n.e.s.$218,328$586,511$413,510$208,879$148,012$203,368
Total$965,754$1,944,424$1,976,114$1,322,151$855,987$785,035