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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $800,609 | $498,897 | $1,119,042 | $792,462 | $1,010,364 | $789,979 | $871,737 |
| Wood screws other than coach screws, of iron/steel | $116,438 | $184,840 | $182,624 | $96,805 | $186,701 | $319,228 | $267,005 |
| Screw hooks & screw rings, of iron/steel | $67,216 | $144,841 | $99,657 | $190,519 | $642,153 | $1,330,301 | $1,167,961 |
| Self-tapping screws of iron/steel | $3,443,123 | $3,452,138 | $4,737,485 | $3,191,173 | $492,648 | $426,978 | $380,400 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $23,876,654 | $19,359,192 | $26,042,295 | $36,835,198 | $26,157,095 | $34,094,354 | $38,586,607 |
| Nuts of iron/steel | $3,403,178 | $3,623,413 | $4,775,867 | $4,341,095 | $3,978,589 | $3,936,616 | $3,928,974 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $11,044,229 | $6,957,523 | $4,559,526 | $4,309,765 | $7,477,923 | $5,784,002 | $6,002,097 |
| Spring washers & oth. lock washers, of iron/steel | $198,577 | $612,056 | $248,753 | $320,796 | $222,029 | $355,470 | $637,066 |
| Washers (excl. of 7318.21) of iron/steel | $1,304,441 | $1,196,976 | $1,397,348 | $1,901,539 | $2,190,037 | $5,993,714 | $9,047,560 |
| Rivets of iron/steel | $620,894 | $511,110 | $581,380 | $939,920 | $501,315 | $445,462 | $590,622 |
| Cotters & cotter-pins, of iron/steel | $614,456 | $505,053 | $300,241 | $474,266 | $439,234 | $1,942,083 | $1,965,265 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $4,122,862 | $2,935,520 | $6,978,936 | $5,597,385 | $5,730,612 | $3,356,932 | $6,174,740 |
| Total | $49,612,677 | $39,981,559 | $51,023,154 | $58,990,923 | $49,028,700 | $58,775,119 | $69,620,034 |
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