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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $6,601,949 | $3,423,314 | $4,355,360 | $7,716,333 | $8,351,233 | $5,931,884 | $5,999,307 |
| Wood screws other than coach screws, of iron/steel | $12,733,575 | $15,848,674 | $15,739,123 | $19,661,824 | $15,010,268 | $14,459,216 | $17,579,139 |
| Screw hooks & screw rings, of iron/steel | $1,829,036 | $2,204,378 | $2,874,757 | $2,329,209 | $1,776,947 | $1,680,811 | $1,618,088 |
| Self-tapping screws of iron/steel | $36,758,649 | $42,468,170 | $44,975,194 | $48,787,995 | $32,385,166 | $35,169,777 | $36,702,626 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $389,389,348 | $409,082,843 | $499,628,633 | $513,272,596 | $435,984,088 | $535,661,742 | $611,481,326 |
| Nuts of iron/steel | $123,825,745 | $160,763,931 | $191,801,860 | $224,663,154 | $199,948,880 | $213,128,956 | $237,981,327 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $78,530,350 | $114,287,458 | $118,678,747 | $136,476,279 | $87,307,964 | $98,607,137 | $122,818,839 |
| Spring washers & oth. lock washers, of iron/steel | $11,809,103 | $15,346,538 | $18,180,265 | $20,008,477 | $12,773,454 | $15,836,474 | $19,826,096 |
| Washers (excl. of 7318.21) of iron/steel | $29,449,970 | $37,278,593 | $55,211,799 | $63,806,153 | $49,547,499 | $49,640,924 | $56,893,244 |
| Rivets of iron/steel | $11,906,154 | $14,575,759 | $22,779,876 | $20,998,280 | $23,250,354 | $24,618,314 | $25,061,577 |
| Cotters & cotter-pins, of iron/steel | $18,722,113 | $22,732,962 | $29,886,494 | $34,143,040 | $30,370,645 | $35,323,542 | $36,601,060 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $120,202,512 | $146,171,852 | $207,173,233 | $220,463,498 | $183,652,097 | $214,645,398 | $235,901,326 |
| Total | $841,758,504 | $984,184,472 | $1,211,285,341 | $1,312,326,838 | $1,080,358,595 | $1,244,704,175 | $1,408,463,955 |
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