Commodity2005200620072008200920102011
Coach screws of iron/steel$3,824,178$4,362,855$5,455,775$4,782,567$7,156,554$7,307,007$7,143,505
Wood screws other than coach screws, of iron/steel$1,164,400$808,851$673,187$791,217$695,782$727,697$1,207,787
Screw hooks & screw rings, of iron/steel$2,325,238$2,543,896$4,254,110$6,332,283$6,455,134$9,657,795$8,315,473
Self-tapping screws of iron/steel$35,054,071$42,821,210$51,086,561$51,264,440$43,150,000$52,838,214$51,607,717
Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ...$615,320,847$770,917,112$975,520,683$1,131,142,614$1,101,190,210$1,338,559,358$1,467,219,119
Nuts of iron/steel$117,008,927$174,250,225$241,875,906$294,725,785$305,054,808$442,942,499$502,886,009
Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16)$26,943,604$31,523,443$33,293,490$33,285,801$31,647,605$57,456,324$71,163,930
Spring washers & oth. lock washers, of iron/steel$28,303,826$40,788,495$49,553,708$60,825,077$52,234,763$60,090,630$61,764,343
Washers (excl. of 7318.21) of iron/steel$128,150,066$167,011,353$203,486,955$248,179,283$245,716,081$261,352,338$271,872,153
Rivets of iron/steel$38,762,405$53,336,099$63,087,643$68,395,587$62,175,371$88,110,180$96,857,396
Cotters & cotter-pins, of iron/steel$88,389,670$108,705,284$129,267,359$160,665,986$152,382,744$215,747,863$255,461,792
Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ...$63,165,659$73,417,068$92,558,207$102,602,024$93,278,989$130,887,016$158,894,245
Total$1,148,412,891$1,470,485,891$1,850,113,584$2,162,992,664$2,101,138,041$2,665,676,921$2,954,393,469