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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of non-malleable ... | $4,074,345 | $3,520,842 | $3,251,511 | $6,809,568 | $4,821,512 | $3,718,810 | $5,692,805 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | $24,845,879 | $73,212,428 | $61,409,910 | $62,763,864 | $83,466,377 | $44,669,462 | $49,967,898 |
| Flanges of stainless steel | $24,048,994 | $34,511,592 | $45,562,163 | $57,083,889 | $33,853,515 | $33,804,892 | $31,875,988 |
| Threaded elbows, bends & sleeves of stainless steel | $11,312,909 | $11,443,839 | $13,062,057 | $10,668,964 | $11,627,663 | $15,211,116 | $10,033,641 |
| Butt welding fittings of stainless steel | $13,023,933 | $11,225,549 | $19,466,884 | $17,058,059 | $15,200,758 | $11,056,422 | $15,966,817 |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | $25,961,786 | $35,304,570 | $53,099,535 | $52,887,223 | $61,848,429 | $50,271,031 | $74,087,064 |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | $36,825,504 | $47,257,690 | $58,842,479 | $88,948,726 | $56,248,923 | $49,449,137 | $55,388,531 |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | $7,221,934 | $7,880,625 | $11,308,957 | $15,181,965 | $11,745,295 | $7,743,426 | $11,760,279 |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | $13,460,768 | $19,834,058 | $33,073,575 | $44,409,495 | $25,323,509 | $13,498,265 | $25,148,052 |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $77,532,003 | $105,153,464 | $163,414,138 | $199,507,360 | $153,217,510 | $122,774,752 | $177,672,635 |
| Total | $238,308,055 | $349,344,657 | $462,491,209 | $555,319,113 | $457,353,491 | $352,197,313 | $457,593,710 |
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