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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of non-malleable ... | | | | | | $300 | |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | | $41,724 | $3,269 | $3,313 | $7,189 | | $7,238 |
| Flanges of stainless steel | | | $542 | | | | |
| Threaded elbows, bends & sleeves of stainless steel | $150 | | $10,939 | | | | $1,550 |
| Butt welding fittings of stainless steel | $26 | | | | | | |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | $2,897 | $5 | | | | | $13,932 |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | $16,701 | | $190 | | $9,402 | | |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | $655 | $592 | $56,075 | | | | |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | $496 | $1,854 | $278 | | | | $263 |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $26,791 | $448 | $409 | $263,412 | $19,116 | $19,531 | $50,452 |
| Total | $47,716 | $44,623 | $71,702 | $266,725 | $35,707 | $19,831 | $73,435 |
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