Commodity2005200620072008200920102011
Coach screws of iron/steel$460,103$312,484$342,447$314,699$81,415$384,304$322,002
Wood screws other than coach screws, of iron/steel$407,396$360,923$455,252$477,861$587,406$387,523$543,521
Screw hooks & screw rings, of iron/steel$73,227$92,342$49,168$61,041$31,104$114,536$109,117
Self-tapping screws of iron/steel$245,791$198,274$315,612$301,704$139,053$100,627$186,653
Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ...$27,316,351$27,456,367$26,435,719$23,538,284$23,856,373$31,943,957$43,143,938
Nuts of iron/steel$288,589$309,769$539,855$834,606$1,021,574$561,315$1,925,766
Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16)$2,760,324$6,237,272$9,385,356$22,835,801$12,770,511$20,986,367$12,818,457
Spring washers & oth. lock washers, of iron/steel$354,157$117,552$158,224$92,433$410,225$67,241$1,057,668
Washers (excl. of 7318.21) of iron/steel$781,484$442,449$256,797$741,104$1,657,550$480,199$1,495,080
Rivets of iron/steel$52,638$53,088$79,427$76,676$76,036$123,628$51,100
Cotters & cotter-pins, of iron/steel$28,474$32,549$223,075$136,836$235,049$86,581$201,050
Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ...$4,316,820$4,080,782$4,897,461$3,372,334$2,103,135$4,601,137$8,679,385
Total$37,085,354$39,693,851$43,138,393$52,783,379$42,969,431$59,837,415$70,533,737