Commodity2005200620072008200920102011
Coach screws of iron/steel$294,372$26,434$168,547$104,924$116,007$97,114$78,260
Wood screws other than coach screws, of iron/steel$102,010$102,491$78,629$209,194$296,302$157,486$104,817
Screw hooks & screw rings, of iron/steel$67,558$247,043$154,008$297,953$274,826$250,906$495,558
Self-tapping screws of iron/steel$74,292$102,168$104,405$169,207$171,950$188,902$155,857
Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ...$4,707,557$5,043,180$10,517,338$7,518,508$8,100,988$8,036,868$7,368,266
Nuts of iron/steel$376,595$865,784$808,595$1,160,010$557,508$906,640$843,864
Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16)$761,340$967,291$922,911$763,934$2,196,486$3,003,514$2,716,199
Spring washers & oth. lock washers, of iron/steel$45,298$48,273$182,468$74,618$55,782$82,541$194,863
Washers (excl. of 7318.21) of iron/steel$157,834$169,141$188,941$157,097$116,263$338,491$516,944
Rivets of iron/steel$79,059$151,819$174,176$70,288$92,506$245,084$191,382
Cotters & cotter-pins, of iron/steel$40,581$76,279$79,064$111,889$139,760$100,253$45,056
Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ...$334,728$214,955$938,594$137,526$202,678$381,632$485,348
Total$7,041,224$8,014,858$14,317,676$10,775,148$12,321,056$13,789,431$13,196,414