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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $994 | $4,002 | $65,276 | $181,897 | $56,311 | $73,501 | $89,445 |
| Wood screws other than coach screws, of iron/steel | $594,242 | $778,849 | $883,533 | $1,055,017 | $860,956 | $972,706 | $775,710 |
| Screw hooks & screw rings, of iron/steel | $72,723 | $79,604 | $208,619 | $116,083 | $37,337 | $64,094 | $101,109 |
| Self-tapping screws of iron/steel | $479,805 | $707,175 | $927,936 | $1,347,461 | $791,238 | $667,289 | $708,181 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $1,544,448 | $2,021,792 | $2,014,961 | $3,070,534 | $2,348,242 | $2,901,729 | $2,179,236 |
| Nuts of iron/steel | $203,545 | $259,153 | $484,980 | $251,427 | $221,961 | $262,773 | $293,400 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $470,155 | $489,028 | $605,756 | $898,274 | $1,182,204 | $1,308,646 | $915,808 |
| Spring washers & oth. lock washers, of iron/steel | $61,416 | $39,230 | $46,503 | $32,785 | $20,198 | $19,168 | $32,782 |
| Washers (excl. of 7318.21) of iron/steel | $202,777 | $220,506 | $281,866 | $440,347 | $140,313 | $168,463 | $126,975 |
| Rivets of iron/steel | $47,287 | $18,424 | $29,088 | $45,944 | $51,304 | $43,104 | $33,365 |
| Cotters & cotter-pins, of iron/steel | $72,561 | $202,257 | $125,852 | $452,668 | $402,610 | $249,449 | $185,999 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $421,599 | $548,146 | $362,791 | $472,388 | $411,880 | $364,775 | $749,555 |
| Total | $4,171,552 | $5,368,166 | $6,037,161 | $8,364,825 | $6,524,554 | $7,095,697 | $6,191,565 |
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