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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $886,238 | $2,590,315 | $4,949,349 | $7,717,496 | $9,880,936 | $17,508,787 | $24,653,566 |
| Wood screws other than coach screws, of iron/steel | $48,095,835 | $62,473,596 | $75,723,954 | $111,904,185 | $73,302,121 | $97,822,296 | $109,353,105 |
| Screw hooks & screw rings, of iron/steel | $2,632,449 | $2,729,204 | $2,397,292 | $6,807,050 | $9,833,115 | $16,274,714 | $21,597,629 |
| Self-tapping screws of iron/steel | $105,454,005 | $161,752,250 | $222,404,902 | $277,459,545 | $140,999,819 | $218,264,560 | $305,096,121 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $837,990,524 | $1,057,016,283 | $1,526,310,997 | $2,138,146,081 | $1,135,977,638 | $1,641,112,730 | $2,191,599,401 |
| Nuts of iron/steel | $244,623,326 | $336,014,659 | $474,534,682 | $701,833,151 | $409,809,951 | $627,801,310 | $898,925,142 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $188,507,483 | $289,885,598 | $397,771,246 | $517,380,177 | $243,849,400 | $346,734,422 | $507,219,221 |
| Spring washers & oth. lock washers, of iron/steel | $26,265,834 | $30,719,261 | $41,761,485 | $50,406,551 | $29,603,462 | $49,848,835 | $56,881,900 |
| Washers (excl. of 7318.21) of iron/steel | $95,361,090 | $138,342,940 | $200,463,670 | $248,574,530 | $117,372,256 | $209,533,553 | $257,185,643 |
| Rivets of iron/steel | $69,565,117 | $77,123,979 | $86,717,619 | $91,375,706 | $51,747,989 | $72,727,669 | $105,420,090 |
| Cotters & cotter-pins, of iron/steel | $59,879,668 | $82,740,584 | $91,295,856 | $95,795,030 | $56,124,035 | $81,036,407 | $99,520,830 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $105,715,821 | $117,995,580 | $133,582,356 | $151,231,142 | $88,917,751 | $81,239,493 | $85,760,686 |
| Total | $1,784,977,390 | $2,359,384,249 | $3,257,913,408 | $4,398,630,644 | $2,367,418,473 | $3,459,904,776 | $4,663,213,334 |
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