Commodity200520062007200820092010
Roller chain of iron/steel$529,269$500,040$659,220$591,650$1,259,933$365,105
Articulated link chain other than roller chain, of iron/steel$253,566$547,517$728,039$668,095$630,695$1,157,773
Parts of articulated link chain of iron/steel$48,779$171,108$208,638$100,440$72,037$119,641
Skid chain of iron/steel$141,548$189,142$439,011$113,700$100,139$119,624
Stud-link chain of iron/steel$15,878$32,900$68,043$5,544$45,694$27,783
Welded link chain of iron/steel$44,757$96,583$114,055$139,442$129,638$358,971
Chain, of iron/steel, n.e.s. in 73.15$1,067,465$1,674,453$819,960$717,073$888,701$1,007,449
Parts of chains (excl. articulated link chain), of iron/steel$95,445$77,993$154,466$479,553$344,156$238,424
Total$2,196,707$3,289,736$3,191,432$2,815,497$3,470,993$3,394,770