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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $186,594 | $259,991 | $243,026 | $204,102 | $171,283 | $378,732 | $474,134 |
| Wood screws other than coach screws, of iron/steel | $121,632 | $123,006 | $102,046 | $130,623 | $138,210 | $236,943 | $285,424 |
| Screw hooks & screw rings, of iron/steel | $121,109 | $232,980 | $285,975 | $213,848 | $112,529 | $141,036 | $203,003 |
| Self-tapping screws of iron/steel | $98,494 | $88,213 | $100,970 | $156,299 | $169,390 | $138,188 | $257,969 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $3,132,458 | $3,432,415 | $3,897,241 | $5,076,286 | $4,437,361 | $4,313,403 | $5,854,479 |
| Nuts of iron/steel | $218,892 | $349,545 | $355,160 | $444,738 | $483,330 | $939,158 | $1,117,861 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $324,900 | $899,833 | $1,041,209 | $1,238,598 | $743,666 | $1,424,507 | $1,675,816 |
| Spring washers & oth. lock washers, of iron/steel | $44,080 | $98,604 | $71,318 | $63,745 | $53,564 | $52,780 | $86,888 |
| Washers (excl. of 7318.21) of iron/steel | $397,082 | $321,328 | $347,493 | $708,464 | $421,877 | $658,193 | $666,067 |
| Rivets of iron/steel | $100,170 | $87,759 | $83,010 | $126,254 | $90,762 | $91,485 | $87,761 |
| Cotters & cotter-pins, of iron/steel | $64,072 | $139,897 | $148,929 | $230,691 | $137,887 | $212,369 | $222,329 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $330,716 | $440,169 | $392,105 | $377,045 | $617,823 | $316,236 | $556,244 |
| Total | $5,140,199 | $6,473,740 | $7,068,482 | $8,970,693 | $7,577,682 | $8,903,030 | $11,487,975 |
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