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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | | $84 | $41 | $400 | $14 | $110 | |
| Flanges of stainless steel | | $14,100 | | | | | |
| Threaded elbows, bends & sleeves of stainless steel | | | $184 | | | $3,423 | $5,498 |
| Butt welding fittings of stainless steel | | $1,172 | | | | $39 | |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | $342 | | $714 | $454 | $1,583 | $227 | |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | | | | $175 | | $850 | |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | | $261 | | $1,489 | | $146 | $663 |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | | | | $120 | | $12,658 | $480 |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $16,357 | | | | | $3,367 | $4,862 |
| Total | $16,699 | $15,617 | $939 | $2,638 | $1,597 | $20,820 | $11,503 |
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