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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of non-malleable ... | $54,734,751 | $71,403,579 | $68,198,683 | $73,167,067 | $72,900,260 | $76,411,968 | $67,340,834 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | $121,275,116 | $161,875,070 | $182,033,650 | $226,998,932 | $168,819,671 | $178,395,282 | $174,516,411 |
| Flanges of stainless steel | $30,635,315 | $34,732,632 | $55,035,872 | $58,992,435 | $54,975,012 | $71,270,785 | $76,387,551 |
| Threaded elbows, bends & sleeves of stainless steel | $160,958,699 | $206,142,558 | $261,836,547 | $279,538,359 | $247,520,557 | $275,750,141 | $320,993,377 |
| Butt welding fittings of stainless steel | $22,501,297 | $34,027,131 | $48,404,711 | $59,931,422 | $39,122,901 | $54,352,226 | $61,808,757 |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | $143,403,174 | $179,496,381 | $167,582,292 | $204,584,443 | $143,917,689 | $186,181,511 | $217,177,758 |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | $75,048,456 | $86,699,130 | $92,518,341 | $131,373,869 | $105,289,651 | $109,277,209 | $134,526,759 |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | $108,259,890 | $133,779,798 | $158,954,892 | $216,434,708 | $136,447,676 | $226,443,110 | $247,223,028 |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | $45,682,394 | $52,050,155 | $72,561,998 | $90,363,663 | $67,828,186 | $70,426,840 | $85,441,081 |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $245,070,798 | $302,438,394 | $307,945,747 | $352,246,975 | $247,436,259 | $309,923,737 | $447,218,730 |
| Total | $1,007,569,890 | $1,262,644,828 | $1,415,072,733 | $1,693,631,873 | $1,284,257,862 | $1,558,432,809 | $1,832,634,286 |
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