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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $839,521 | $1,001,719 | $1,305,648 | $803,197 | $998,827 | $1,013,591 | $1,358,369 |
| Wood screws other than coach screws, of iron/steel | $6,469,909 | $6,172,116 | $7,189,267 | $7,186,368 | $5,771,853 | $7,680,880 | $8,707,184 |
| Screw hooks & screw rings, of iron/steel | $147,262 | $328,780 | $855,244 | $697,820 | $485,660 | $745,711 | $398,825 |
| Self-tapping screws of iron/steel | $5,564,160 | $6,056,763 | $8,065,544 | $8,400,930 | $7,095,042 | $9,165,327 | $11,041,365 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $45,043,025 | $50,146,568 | $62,436,504 | $75,371,536 | $49,430,337 | $64,146,542 | $84,311,585 |
| Nuts of iron/steel | $16,146,277 | $18,031,083 | $22,765,092 | $25,820,092 | $21,018,704 | $25,022,548 | $30,002,481 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $4,531,641 | $4,938,513 | $7,591,793 | $10,255,635 | $7,545,463 | $9,421,161 | $9,900,953 |
| Spring washers & oth. lock washers, of iron/steel | $2,781,752 | $2,713,241 | $2,798,023 | $3,338,607 | $2,091,759 | $2,945,773 | $2,980,357 |
| Washers (excl. of 7318.21) of iron/steel | $10,248,796 | $11,023,839 | $13,573,792 | $16,712,642 | $10,535,901 | $14,024,542 | $16,407,065 |
| Rivets of iron/steel | $3,004,469 | $3,617,036 | $3,863,157 | $3,827,174 | $2,886,065 | $3,626,966 | $3,564,150 |
| Cotters & cotter-pins, of iron/steel | $5,601,194 | $5,957,283 | $6,815,267 | $8,365,123 | $5,520,992 | $7,234,362 | $8,779,078 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $9,923,916 | $11,940,425 | $17,260,697 | $19,650,080 | $14,423,972 | $18,038,246 | $24,831,110 |
| Total | $110,301,922 | $121,927,366 | $154,520,028 | $180,429,204 | $127,804,575 | $163,065,649 | $202,282,522 |
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