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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of non-malleable ... | | $3,691 | $417 | $20 | | $16,249 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | | $721 | | | $6,793 | $8,751 |
| Flanges of stainless steel | | | $4,920 | | | |
| Threaded elbows, bends & sleeves of stainless steel | | | | $19,838 | $2,483 | |
| Butt welding fittings of stainless steel | | $9,504 | $462 | $35 | $364 | |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | | $13,320 | | $1,386 | $1,713 | $106 |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | $1,488 | $5,234 | $692 | $9,698 | | |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | $59 | | | $113 | $50 | |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | $9,291 | | $67 | $276 | $11,144 | |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $797 | $152 | $975 | $686 | $7,892 | $4,261 |
| Total | $11,635 | $32,622 | $7,533 | $32,052 | $30,439 | $29,367 |
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