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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $495,115 | $587,644 | $740,349 | $1,239,211 | $1,291,631 | $1,182,855 | $1,678,251 |
| Wood screws other than coach screws, of iron/steel | $9,630,588 | $11,957,369 | $16,318,405 | $22,041,396 | $21,429,193 | $21,417,559 | $28,156,714 |
| Screw hooks & screw rings, of iron/steel | $691,319 | $429,259 | $477,750 | $517,762 | $598,904 | $653,384 | $555,923 |
| Self-tapping screws of iron/steel | $15,882,350 | $15,349,682 | $20,254,297 | $21,733,148 | $19,448,510 | $24,815,116 | $30,034,349 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $140,011,701 | $141,908,949 | $171,017,731 | $215,318,293 | $156,191,614 | $199,223,305 | $228,162,106 |
| Nuts of iron/steel | $41,905,375 | $41,378,883 | $50,193,557 | $64,393,861 | $43,050,726 | $52,692,128 | $63,737,860 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $12,281,627 | $14,702,527 | $14,608,969 | $20,921,372 | $14,809,140 | $18,515,429 | $32,523,449 |
| Spring washers & oth. lock washers, of iron/steel | $2,187,226 | $2,064,296 | $2,134,181 | $3,542,030 | $2,085,341 | $2,009,695 | $3,440,092 |
| Washers (excl. of 7318.21) of iron/steel | $18,251,546 | $19,077,524 | $22,231,741 | $30,032,313 | $20,080,983 | $28,050,560 | $32,930,650 |
| Rivets of iron/steel | $3,985,803 | $4,268,915 | $4,869,159 | $5,035,645 | $4,615,925 | $4,712,928 | $5,715,488 |
| Cotters & cotter-pins, of iron/steel | $6,327,309 | $6,982,166 | $8,860,210 | $9,669,801 | $7,714,049 | $11,320,711 | $11,313,434 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $23,346,422 | $20,741,355 | $25,276,426 | $34,761,242 | $32,365,091 | $41,674,763 | $48,307,502 |
| Total | $274,996,381 | $279,448,569 | $336,982,775 | $429,206,074 | $323,681,107 | $406,268,433 | $486,555,818 |
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