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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $261,998 | $79,453 | $198,368 | $581 | | $7,597 | $18,150 |
| Wood screws other than coach screws, of iron/steel | $375,986 | $167,219 | $67,767 | $116,226 | $228,759 | $593,283 | $298,196 |
| Screw hooks & screw rings, of iron/steel | $217,248 | $214,496 | $756,848 | $2,669,402 | $594,883 | $202,851 | $49,208 |
| Self-tapping screws of iron/steel | $615,660 | $1,324,441 | $655,186 | $1,215,719 | $359,356 | $959,141 | $1,762,357 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $33,633,001 | $53,752,535 | $35,746,573 | $32,095,753 | $23,561,406 | $47,301,361 | $80,296,897 |
| Nuts of iron/steel | $4,761,403 | $4,936,586 | $6,676,488 | $11,385,980 | $10,836,946 | $16,511,807 | $16,678,697 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $405,785 | $407,688 | $125,576 | $302,070 | $538,029 | $588,826 | $426,535 |
| Spring washers & oth. lock washers, of iron/steel | $397,776 | $62,554 | $64,933 | $47,020 | $115,828 | $251,633 | $643,122 |
| Washers (excl. of 7318.21) of iron/steel | $10,178,078 | $10,085,715 | $23,337,156 | $24,728,543 | $17,173,942 | $4,524,374 | $5,174,100 |
| Rivets of iron/steel | $39,937 | $34,040 | $127,666 | $82,009 | $133,487 | $80,310 | $111,078 |
| Cotters & cotter-pins, of iron/steel | $101,139 | $176,830 | $270,778 | $568,859 | $40,975 | $196,016 | $386,349 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $5,934,780 | $6,324,499 | $4,742,575 | $4,241,096 | $1,325,495 | $1,320,580 | $1,358,672 |
| Total | $56,922,791 | $77,566,056 | $72,769,914 | $77,453,258 | $54,909,106 | $72,537,779 | $107,203,361 |
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