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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $8,023,072 | $6,373,161 | $8,895,336 | $8,883,672 | $7,234,031 | $7,209,267 | $10,161,581 |
| Wood screws other than coach screws, of iron/steel | $30,393,856 | $39,372,723 | $55,222,179 | $58,354,628 | $44,345,220 | $60,317,133 | $66,782,863 |
| Screw hooks & screw rings, of iron/steel | $7,250,379 | $7,467,998 | $7,334,775 | $7,416,076 | $6,316,591 | $6,896,454 | $9,094,358 |
| Self-tapping screws of iron/steel | $80,024,172 | $80,981,576 | $81,536,233 | $96,099,551 | $75,259,182 | $86,646,398 | $126,802,005 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $552,153,596 | $573,966,134 | $721,440,426 | $807,876,311 | $579,727,348 | $663,060,336 | $760,512,876 |
| Nuts of iron/steel | $135,227,586 | $150,235,081 | $182,345,464 | $171,804,525 | $129,061,939 | $159,326,251 | $208,297,802 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $116,149,149 | $158,933,516 | $161,649,157 | $175,489,724 | $115,201,802 | $131,699,344 | $151,972,894 |
| Spring washers & oth. lock washers, of iron/steel | $21,930,311 | $22,265,884 | $26,193,271 | $29,693,772 | $18,337,685 | $26,811,738 | $30,507,006 |
| Washers (excl. of 7318.21) of iron/steel | $32,015,144 | $40,206,407 | $52,463,404 | $54,763,733 | $36,329,769 | $44,785,200 | $54,897,305 |
| Rivets of iron/steel | $42,306,525 | $48,783,053 | $48,658,764 | $31,037,595 | $22,780,535 | $24,211,154 | $25,022,006 |
| Cotters & cotter-pins, of iron/steel | $21,871,830 | $28,313,858 | $34,104,506 | $35,606,888 | $23,327,390 | $31,905,545 | $36,591,710 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $100,425,271 | $103,408,171 | $127,687,393 | $152,376,558 | $101,944,039 | $130,275,782 | $164,438,676 |
| Total | $1,147,770,891 | $1,260,307,562 | $1,507,530,908 | $1,629,403,033 | $1,159,865,531 | $1,373,144,602 | $1,645,081,082 |
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