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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $6,932,291 | $6,079,423 | $6,996,777 | $17,793,947 | $11,759,738 | $10,295,474 | $17,133,597 |
| Wood screws other than coach screws, of iron/steel | $18,039,963 | $18,653,068 | $22,298,899 | $25,551,184 | $21,964,681 | $26,874,865 | $29,739,036 |
| Screw hooks & screw rings, of iron/steel | $3,674,222 | $3,406,989 | $4,763,703 | $4,741,991 | $5,416,307 | $5,143,840 | $4,918,769 |
| Self-tapping screws of iron/steel | $30,255,814 | $29,610,245 | $32,569,840 | $38,287,251 | $26,656,395 | $31,725,209 | $37,334,899 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $218,260,970 | $230,179,692 | $313,312,740 | $352,320,537 | $240,799,507 | $273,026,891 | $326,538,651 |
| Nuts of iron/steel | $45,433,159 | $47,534,065 | $56,353,743 | $70,678,338 | $49,342,734 | $54,865,116 | $67,262,657 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $69,439,506 | $71,036,070 | $74,169,524 | $90,686,745 | $63,158,355 | $70,337,263 | $75,275,410 |
| Spring washers & oth. lock washers, of iron/steel | $8,379,040 | $8,750,649 | $12,005,019 | $13,912,807 | $7,328,463 | $8,763,067 | $11,849,692 |
| Washers (excl. of 7318.21) of iron/steel | $31,789,385 | $31,992,336 | $37,533,225 | $44,865,662 | $23,113,767 | $29,608,514 | $38,919,507 |
| Rivets of iron/steel | $5,027,872 | $5,184,007 | $7,260,891 | $8,604,547 | $5,592,879 | $5,324,896 | $5,262,236 |
| Cotters & cotter-pins, of iron/steel | $17,350,062 | $19,753,646 | $24,475,239 | $23,982,619 | $13,199,604 | $18,645,170 | $20,040,398 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $32,885,169 | $34,021,919 | $44,160,366 | $46,834,373 | $34,322,791 | $46,133,654 | $58,790,130 |
| Total | $487,467,453 | $506,202,109 | $635,899,966 | $738,260,001 | $502,655,221 | $580,743,959 | $693,064,982 |
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