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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of non-malleable ... | $3,877,170 | $4,766,613 | $4,361,474 | $5,572,906 | $3,702,553 | $5,640,390 | $6,398,386 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | $163,869 | $360,075 | $486,194 | $1,188,534 | $1,313,171 | $1,697,356 | $2,076,681 |
| Flanges of stainless steel | $108,933 | $130,585 | $93,737 | $82,224 | $310,120 | $216,501 | $353,784 |
| Threaded elbows, bends & sleeves of stainless steel | $284,794 | $268,802 | $514,456 | $846,375 | $476,051 | $381,498 | $271,054 |
| Butt welding fittings of stainless steel | $102,610 | $295,117 | $174,506 | $256,845 | $169,984 | $215,149 | $174,690 |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | $354,160 | $586,389 | $753,813 | $626,205 | $442,088 | $1,000,277 | $1,257,325 |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | $5,953 | $1,087,263 | $2,039,812 | $2,508,947 | $1,098,939 | $554,717 | $1,487,003 |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | $336,351 | $257,805 | $500,810 | $308,430 | $406,983 | $297,038 | $605,708 |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | $10,825 | $11,839 | $19,641 | $21,676 | $17,298 | $75,316 | $183,568 |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $1,623,422 | $2,782,896 | $2,909,277 | $4,606,567 | $2,865,620 | $3,379,692 | $4,803,854 |
| Total | $6,868,087 | $10,547,384 | $11,853,720 | $16,018,709 | $10,802,807 | $13,457,934 | $17,612,053 |
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