Commodity200520062007200820092010
Coach screws of iron/steel$2,265,030$1,992,955$1,549,711$203,969$164,160$347,524
Wood screws other than coach screws, of iron/steel$705,446$629,841$538,152$656,181$659,136$577,812
Screw hooks & screw rings, of iron/steel$511,224$639,184$1,044,441$466,876$627,563$498,095
Self-tapping screws of iron/steel$72,622$92,796$162,894$128,510$423,616$410,347
Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ...$7,891,524$9,411,011$15,444,056$21,814,042$19,375,811$18,672,329
Nuts of iron/steel$2,755,934$2,964,350$4,388,245$6,442,725$5,463,093$5,563,559
Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16)$1,208,176$1,529,972$3,003,146$3,215,011$3,640,020$5,876,875
Spring washers & oth. lock washers, of iron/steel$107,042$154,068$134,797$153,131$187,238$240,208
Washers (excl. of 7318.21) of iron/steel$906,070$1,621,911$1,700,028$2,121,400$2,008,876$1,939,311
Rivets of iron/steel$585,410$572,045$985,943$800,411$637,114$931,287
Cotters & cotter-pins, of iron/steel$583,183$760,708$1,264,617$1,321,906$1,242,933$1,189,409
Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ...$727,429$830,251$1,768,420$1,803,153$5,157,682$3,984,400
Total$18,319,090$21,199,092$31,984,450$39,127,315$39,587,242$40,231,156