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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $19,305 | $237,459 | $380,622 | $14,508 | $8,114 | $9,785 | $281,167 |
| Wood screws other than coach screws, of iron/steel | $58,872 | $73,683 | $75,961 | $119,344 | $178,875 | $128,485 | $225,005 |
| Screw hooks & screw rings, of iron/steel | $10,482 | $15,019 | $7,418 | $69,979 | $26,067 | $185,119 | $171,636 |
| Self-tapping screws of iron/steel | $24,272 | $23,955 | $31,541 | $70,741 | $68,432 | $152,699 | $93,118 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $5,121,034 | $3,570,280 | $4,545,243 | $7,927,445 | $7,417,383 | $7,568,054 | $8,470,015 |
| Nuts of iron/steel | $494,891 | $412,586 | $536,012 | $723,238 | $991,530 | $961,165 | $1,414,732 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $1,081,891 | $481,794 | $511,892 | $232,581 | $440,120 | $557,473 | $1,723,951 |
| Spring washers & oth. lock washers, of iron/steel | $26,236 | $38,414 | $83,740 | $36,511 | $96,904 | $177,417 | $177,599 |
| Washers (excl. of 7318.21) of iron/steel | $326,837 | $364,435 | $308,088 | $553,679 | $1,176,030 | $861,852 | $2,512,605 |
| Rivets of iron/steel | $57,726 | $44,100 | $62,182 | $60,370 | $60,564 | $169,954 | $236,155 |
| Cotters & cotter-pins, of iron/steel | $151,847 | $303,956 | $282,903 | $383,289 | $413,941 | $686,367 | $1,079,687 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $452,306 | $251,122 | $914,446 | $187,746 | $380,021 | $686,339 | $1,530,904 |
| Total | $7,825,699 | $5,816,803 | $7,740,048 | $10,379,431 | $11,257,981 | $12,144,709 | $17,916,574 |
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