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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $334,801 | $865,738 | $2,594,438 | $2,646,716 | $1,900,404 | $534,471 | $1,120,974 |
| Wood screws other than coach screws, of iron/steel | $13,483,147 | $11,574,407 | $12,802,066 | $11,935,706 | $10,757,829 | $9,201,395 | $11,573,172 |
| Screw hooks & screw rings, of iron/steel | $5,724,979 | $7,069,310 | $9,920,922 | $9,978,500 | $5,858,025 | $7,495,263 | $9,993,940 |
| Self-tapping screws of iron/steel | $11,653,732 | $12,546,342 | $13,864,789 | $22,852,082 | $16,408,831 | $19,046,800 | $25,402,942 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $111,468,813 | $132,459,670 | $174,086,322 | $185,969,650 | $128,027,682 | $153,956,936 | $185,333,431 |
| Nuts of iron/steel | $15,769,414 | $18,572,286 | $26,446,004 | $24,793,428 | $18,397,171 | $32,404,126 | $45,466,376 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $8,205,508 | $7,001,274 | $6,120,780 | $9,406,321 | $5,838,965 | $8,947,939 | $13,562,555 |
| Spring washers & oth. lock washers, of iron/steel | $11,954,906 | $14,960,902 | $20,844,943 | $30,065,919 | $17,192,363 | $31,148,815 | $31,524,047 |
| Washers (excl. of 7318.21) of iron/steel | $18,649,186 | $24,809,401 | $14,339,862 | $14,882,216 | $9,759,913 | $15,134,025 | $16,675,995 |
| Rivets of iron/steel | $3,851,352 | $4,856,281 | $5,479,734 | $6,578,373 | $3,160,549 | $4,684,835 | $6,050,331 |
| Cotters & cotter-pins, of iron/steel | $1,362,248 | $1,431,897 | $1,941,527 | $2,202,646 | $1,277,495 | $3,907,207 | $2,622,340 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $12,481,423 | $12,198,010 | $16,111,858 | $15,700,143 | $9,390,164 | $15,875,465 | $20,566,254 |
| Total | $214,939,509 | $248,345,518 | $304,553,245 | $337,011,700 | $227,969,391 | $302,337,277 | $369,892,357 |
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