Commodity2005200620072008200920102011
Roller chain of iron/steel$12,269,425$13,207,270$14,834,596$16,106,465$11,930,994$14,277,403$15,875,709
Articulated link chain other than roller chain, of iron/steel$3,136,822$2,813,024$3,121,469$2,934,385$2,459,770$2,167,415$3,318,971
Parts of articulated link chain of iron/steel$972,369$1,522,242$1,446,088$1,916,945$789,110$1,044,836$1,465,091
Skid chain of iron/steel$8,589,511$10,098,041$6,829,152$6,726,650$11,346,530$11,574,191$10,886,317
Stud-link chain of iron/steel$148,949$238,211$550,814$177,076$309,773$169,927$271,985
Welded link chain of iron/steel$2,857,878$3,388,482$3,587,980$4,608,107$3,462,309$3,975,601$4,536,940
Chain, of iron/steel, n.e.s. in 73.15$2,099,066$2,093,574$2,885,351$3,503,848$2,321,504$2,072,978$2,754,793
Parts of chains (excl. articulated link chain), of iron/steel$1,089,863$1,797,958$2,273,595$2,315,323$1,696,342$1,922,800$2,076,974
Total$31,163,883$35,158,802$35,529,045$38,288,799$34,316,332$37,205,151$41,186,780