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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $8,237,000 | $13,397,000 | $11,750,000 | $19,807,000 | $17,920,000 | $25,383,003 | $39,551,835 |
| Wood screws other than coach screws, of iron/steel | $73,443,000 | $76,677,000 | $113,344,000 | $113,276,000 | $81,771,000 | $102,927,091 | $114,537,021 |
| Screw hooks & screw rings, of iron/steel | $11,372,000 | $13,606,000 | $14,054,000 | $15,896,000 | $11,099,000 | $13,524,176 | $21,323,702 |
| Self-tapping screws of iron/steel | $142,238,000 | $175,410,000 | $236,328,000 | $245,930,000 | $184,170,000 | $245,633,121 | $315,886,564 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $897,342,000 | $1,111,498,000 | $1,440,756,000 | $1,621,985,000 | $1,041,486,000 | $1,357,359,379 | $1,848,840,683 |
| Nuts of iron/steel | $243,273,000 | $292,979,000 | $383,509,000 | $424,573,000 | $282,244,000 | $409,070,568 | $559,070,411 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $113,308,000 | $121,335,000 | $174,754,000 | $197,259,000 | $137,953,000 | $175,081,647 | $218,138,706 |
| Spring washers & oth. lock washers, of iron/steel | $48,740,000 | $60,673,000 | $60,737,000 | $72,734,000 | $43,746,000 | $57,137,261 | $68,646,857 |
| Washers (excl. of 7318.21) of iron/steel | $71,036,000 | $89,831,000 | $123,947,000 | $145,193,000 | $92,798,000 | $128,172,309 | $160,660,928 |
| Rivets of iron/steel | $34,869,000 | $47,819,000 | $50,732,000 | $48,535,000 | $35,860,000 | $42,394,213 | $47,541,220 |
| Cotters & cotter-pins, of iron/steel | $13,631,000 | $17,423,000 | $20,492,000 | $23,370,000 | $19,422,000 | $20,692,997 | $26,541,603 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $220,003,000 | $271,948,000 | $341,433,000 | $344,591,000 | $227,939,000 | $311,517,111 | $402,342,515 |
| Total | $1,877,492,000 | $2,292,596,000 | $2,971,836,000 | $3,273,149,000 | $2,176,408,000 | $2,888,892,876 | $3,823,082,045 |
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