Commodity200520062007200820092010
Roller chain of iron/steel$21,728,116$28,179,742$31,661,464$40,915,421$35,163,908$36,050,542
Articulated link chain other than roller chain, of iron/steel$2,162,738$2,747,619$3,238,494$1,887,656$1,474,814$1,827,661
Parts of articulated link chain of iron/steel$1,936,390$2,768,977$3,171,226$5,578,974$1,187,385$1,500,061
Skid chain of iron/steel$1,256,104$1,688,523$1,663,864$1,127,289$1,096,692$2,307,786
Stud-link chain of iron/steel$2,452,512$1,827,977$4,955,898$6,944,982$3,499,368$3,736,227
Welded link chain of iron/steel$2,610,458$2,569,219$3,491,094$3,072,414$2,670,571$8,778,873
Chain, of iron/steel, n.e.s. in 73.15$2,226,165$4,226,333$3,894,705$4,008,138$1,804,100$2,994,817
Parts of chains (excl. articulated link chain), of iron/steel$3,313,130$4,339,404$8,860,213$5,215,000$3,538,436$4,551,910
Total$37,685,613$48,347,794$60,936,958$68,749,874$50,435,274$61,747,877