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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of non-malleable ... | $67,309,660 | $71,131,724 | $64,361,245 | $92,990,462 | $58,065,850 | $54,207,094 | $66,574,881 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | $69,698,239 | $81,445,495 | $92,711,271 | $74,657,671 | $51,500,466 | $50,373,653 | $67,260,405 |
| Flanges of stainless steel | $42,861,766 | $60,685,278 | $74,276,245 | $55,941,837 | $40,277,932 | $48,445,748 | $49,999,314 |
| Threaded elbows, bends & sleeves of stainless steel | $41,341,784 | $52,272,645 | $68,437,526 | $66,742,441 | $28,946,053 | $38,709,252 | $38,289,734 |
| Butt welding fittings of stainless steel | $26,242,374 | $23,182,577 | $35,222,173 | $55,871,409 | $34,769,860 | $33,255,960 | $29,716,606 |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | $45,038,035 | $65,746,146 | $122,843,766 | $115,484,823 | $89,833,584 | $89,181,336 | $147,435,231 |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | $37,768,263 | $64,991,264 | $72,695,118 | $84,537,380 | $65,393,751 | $57,616,736 | $88,326,150 |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | $16,509,309 | $10,119,661 | $14,829,021 | $32,371,941 | $26,641,512 | $20,388,051 | $30,251,570 |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | $20,670,402 | $25,291,704 | $29,615,448 | $41,839,054 | $33,441,235 | $19,277,011 | $22,401,307 |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $78,747,924 | $100,828,165 | $159,059,890 | $145,003,408 | $150,655,216 | $117,590,843 | $164,429,706 |
| Total | $446,187,756 | $555,694,659 | $734,051,703 | $765,440,426 | $579,525,459 | $529,045,684 | $704,684,904 |
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