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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $60,170 | $87,272 | $751,478 | $1,918,290 | $2,014,654 | $2,677,159 | $4,369,431 |
| Wood screws other than coach screws, of iron/steel | $18,420,490 | $24,020,562 | $25,737,886 | $31,045,129 | $23,028,543 | $29,175,814 | $34,381,557 |
| Screw hooks & screw rings, of iron/steel | $2,111,323 | $3,056,685 | $4,213,208 | $5,662,216 | $4,989,895 | $5,593,091 | $5,919,902 |
| Self-tapping screws of iron/steel | $18,715,179 | $32,138,058 | $36,249,208 | $49,458,411 | $39,259,016 | $53,088,106 | $65,239,446 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $155,372,900 | $201,250,100 | $252,988,469 | $295,753,101 | $203,162,711 | $245,397,998 | $296,294,290 |
| Nuts of iron/steel | $45,049,284 | $57,507,724 | $68,244,894 | $85,642,503 | $62,124,679 | $70,809,834 | $88,142,296 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $22,268,907 | $31,146,103 | $47,135,184 | $55,961,199 | $36,783,995 | $51,920,073 | $59,711,532 |
| Spring washers & oth. lock washers, of iron/steel | $11,698,984 | $13,282,309 | $17,419,514 | $20,368,418 | $15,149,639 | $15,704,674 | $15,914,165 |
| Washers (excl. of 7318.21) of iron/steel | $21,191,449 | $29,952,872 | $41,243,708 | $48,952,454 | $33,507,973 | $39,062,498 | $58,048,944 |
| Rivets of iron/steel | $18,865,050 | $25,497,613 | $24,368,264 | $30,161,558 | $17,050,866 | $20,249,868 | $25,110,472 |
| Cotters & cotter-pins, of iron/steel | $2,228,577 | $3,383,887 | $4,340,734 | $5,479,272 | $4,960,460 | $5,262,589 | $7,338,134 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $43,812,032 | $50,858,256 | $67,482,642 | $88,775,773 | $68,138,063 | $88,107,007 | $102,897,859 |
| Total | $359,794,345 | $472,181,441 | $590,175,189 | $719,178,324 | $510,170,494 | $627,048,711 | $763,368,028 |
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