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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $487,969 | $467,057 | $666,711 | $772,285 | $702,555 | $1,201,547 | $1,334,988 |
| Wood screws other than coach screws, of iron/steel | $6,260,489 | $8,113,687 | $10,572,821 | $11,364,069 | $8,059,148 | $10,393,102 | $11,961,561 |
| Screw hooks & screw rings, of iron/steel | $959,842 | $1,293,833 | $1,452,334 | $1,426,321 | $1,035,708 | $1,154,491 | $1,328,579 |
| Self-tapping screws of iron/steel | $11,724,258 | $12,004,758 | $17,683,852 | $19,086,787 | $11,791,836 | $17,391,957 | $21,945,212 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $55,643,187 | $60,738,991 | $82,268,293 | $91,831,457 | $42,119,063 | $51,506,087 | $76,243,501 |
| Nuts of iron/steel | $12,824,605 | $12,639,266 | $19,381,186 | $19,965,039 | $11,302,152 | $16,544,082 | $20,185,214 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $8,578,761 | $9,493,017 | $10,927,219 | $13,699,013 | $6,121,823 | $8,227,788 | $8,339,352 |
| Spring washers & oth. lock washers, of iron/steel | $4,027,262 | $4,683,669 | $6,275,379 | $7,400,282 | $2,400,626 | $4,342,462 | $4,345,986 |
| Washers (excl. of 7318.21) of iron/steel | $6,382,702 | $6,699,312 | $8,151,694 | $8,743,402 | $4,833,121 | $7,041,586 | $10,551,448 |
| Rivets of iron/steel | $2,475,218 | $3,065,989 | $4,021,955 | $4,133,269 | $1,932,304 | $2,216,962 | $3,113,045 |
| Cotters & cotter-pins, of iron/steel | $888,827 | $960,714 | $1,097,260 | $1,538,869 | $875,316 | $1,056,746 | $1,483,802 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $5,209,298 | $6,916,611 | $7,475,013 | $9,969,082 | $7,121,290 | $7,755,707 | $9,530,634 |
| Total | $115,462,418 | $127,076,904 | $169,973,717 | $189,929,875 | $98,294,942 | $128,832,517 | $170,363,322 |
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