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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| 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 |
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