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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $201,563 | $190,410 | $278,168 | $228,744 | $137,883 | $138,927 | $18,787 |
| Wood screws other than coach screws, of iron/steel | $564,117 | $793,350 | $1,882,971 | $1,658,154 | $1,259,407 | $1,092,985 | $1,033,140 |
| Screw hooks & screw rings, of iron/steel | $176,946 | $167,800 | $183,471 | $265,243 | $139,326 | $119,914 | $225,457 |
| Self-tapping screws of iron/steel | $2,386,122 | $2,452,620 | $2,638,190 | $2,405,784 | $1,832,511 | $1,621,172 | $2,174,662 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $15,563,115 | $20,873,623 | $27,261,740 | $32,742,929 | $17,967,995 | $22,932,912 | $31,570,454 |
| Nuts of iron/steel | $5,093,264 | $6,263,426 | $6,975,235 | $7,289,332 | $4,358,203 | $4,653,712 | $5,313,920 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $5,862,540 | $6,815,385 | $8,149,160 | $7,803,379 | $4,156,804 | $5,046,741 | $8,619,774 |
| Spring washers & oth. lock washers, of iron/steel | $168,507 | $140,473 | $186,457 | $219,209 | $126,067 | $215,889 | $271,610 |
| Washers (excl. of 7318.21) of iron/steel | $958,113 | $1,381,840 | $1,353,950 | $1,499,116 | $708,528 | $728,126 | $845,793 |
| Rivets of iron/steel | $6,409,160 | $6,616,523 | $8,465,406 | $8,470,368 | $6,462,664 | $7,915,536 | $9,292,658 |
| Cotters & cotter-pins, of iron/steel | $222,921 | $510,249 | $1,051,470 | $636,892 | $478,103 | $275,984 | $397,428 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $3,988,536 | $5,673,955 | $7,092,330 | $8,389,533 | $3,832,412 | $4,796,024 | $7,088,325 |
| Total | $41,594,904 | $51,879,654 | $65,518,548 | $71,608,683 | $41,459,903 | $49,537,922 | $66,852,008 |
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