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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of non-malleable ... | $948 | $982 | $3,593 | $3,500 | $2,146 | $4,440 | $7,007 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | $153,444 | $518,128 | $390,837 | $331,479 | $297,415 | $138,819 | $175,066 |
| Flanges of stainless steel | $29,193 | $66,733 | $59,887 | $63,186 | $48,474 | $44,188 | $40,865 |
| Threaded elbows, bends & sleeves of stainless steel | $37,473 | $30,716 | $23,638 | $60,864 | $36,733 | $33,747 | $18,738 |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | $75,776 | $87,439 | $101,977 | $113,144 | $108,654 | $110,123 | $130,568 |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | $170,784 | $144,608 | $188,026 | $310,372 | $150,948 | $125,317 | $208,744 |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | $136,526 | $72,651 | $75,738 | $129,644 | $73,191 | $114,831 | $193,755 |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | $3,916 | $1,069 | | $873 | | $16,410 | $4,825 |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $175,524 | $462,048 | $230,863 | $204,287 | $164,880 | $195,362 | $537,176 |
| Total | $783,584 | $1,384,374 | $1,074,559 | $1,217,349 | $882,441 | $783,237 | $1,316,744 |
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