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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $47,020 | $8,300 | $19,315 | $38,155 | $15,460 | $28,840 | $43,391 |
| Wood screws other than coach screws, of iron/steel | $100,195 | $140,810 | $50,939 | $169,762 | $138,888 | $93,045 | $117,451 |
| Screw hooks & screw rings, of iron/steel | $43,061 | $41,282 | $35,822 | $39,903 | $52,714 | $63,875 | $80,636 |
| Self-tapping screws of iron/steel | $72,302 | $198,101 | $199,085 | $144,536 | $249,949 | $253,002 | $245,319 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $1,985,936 | $2,234,040 | $2,576,114 | $2,959,511 | $2,811,014 | $3,051,393 | $3,958,568 |
| Nuts of iron/steel | $306,358 | $299,307 | $303,405 | $325,660 | $246,640 | $334,849 | $456,349 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $421,181 | $493,174 | $595,341 | $604,438 | $825,085 | $629,139 | $964,893 |
| Spring washers & oth. lock washers, of iron/steel | $37,588 | $38,877 | $34,907 | $41,899 | $22,180 | $27,108 | $24,475 |
| Washers (excl. of 7318.21) of iron/steel | $213,719 | $236,986 | $349,437 | $321,965 | $179,244 | $401,559 | $437,361 |
| Rivets of iron/steel | $147,075 | $199,374 | $75,868 | $131,296 | $90,127 | $74,999 | $668,114 |
| Cotters & cotter-pins, of iron/steel | $195,524 | $83,977 | $95,905 | $81,177 | $77,140 | $68,908 | $116,067 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $103,085 | $112,265 | $163,339 | $146,878 | $229,887 | $323,689 | $496,337 |
| Total | $3,673,044 | $4,086,493 | $4,499,477 | $5,005,180 | $4,938,328 | $5,350,406 | $7,608,961 |
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