Commodity2005200620072008200920102011
Coach screws of iron/steel$16,810$21,889$35,469$41,915$42,885$37,124$53,984
Wood screws other than coach screws, of iron/steel$82,560$127,492$120,148$186,076$178,326$255,850$401,980
Screw hooks & screw rings, of iron/steel$74,645$75,378$61,103$51,604$51,265$90,850$104,079
Self-tapping screws of iron/steel$296,783$314,250$165,896$229,141$249,219$193,762$319,121
Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ...$2,344,922$3,346,102$3,389,209$4,953,322$6,876,403$4,747,177$4,502,427
Nuts of iron/steel$255,904$266,753$363,849$394,666$401,620$381,396$469,129
Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16)$511,964$874,967$737,957$695,992$717,047$719,898$661,345
Spring washers & oth. lock washers, of iron/steel$21,023$14,718$33,288$48,208$38,373$51,839$116,919
Washers (excl. of 7318.21) of iron/steel$191,607$199,291$191,599$398,670$227,438$255,196$396,098
Rivets of iron/steel$42,260$53,019$43,554$68,576$32,881$56,232$39,474
Cotters & cotter-pins, of iron/steel$348,149$408,543$438,599$631,612$414,415$443,150$422,223
Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ...$491,567$585,285$934,718$946,737$1,137,870$1,200,871$1,218,470
Total$4,678,194$6,287,687$6,515,389$8,646,519$10,367,742$8,433,345$8,705,249