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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of non-malleable ... | $22,210,099 | $35,992,744 | $46,540,298 | $41,263,145 | $28,940,920 | $26,242,824 | $34,548,688 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | $63,563,601 | $78,004,979 | $82,253,840 | $80,341,267 | $68,337,646 | $65,975,504 | $79,616,810 |
| Flanges of stainless steel | $36,837,939 | $44,202,114 | $72,864,319 | $62,288,692 | $41,001,184 | $59,054,173 | $68,122,724 |
| Threaded elbows, bends & sleeves of stainless steel | $31,399,351 | $37,855,160 | $49,754,627 | $43,231,643 | $34,936,832 | $39,009,991 | $43,604,435 |
| Butt welding fittings of stainless steel | $30,684,821 | $38,277,075 | $40,314,901 | $60,234,696 | $36,358,235 | $28,638,382 | $28,372,596 |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | $42,543,271 | $46,084,524 | $64,952,053 | $65,592,823 | $45,626,966 | $57,053,863 | $68,516,511 |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | $50,396,217 | $71,631,158 | $71,808,647 | $99,115,373 | $54,270,130 | $48,871,781 | $76,376,034 |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | $20,099,566 | $21,025,800 | $32,977,496 | $32,743,174 | $22,856,501 | $22,491,249 | $22,733,284 |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | $20,594,838 | $19,600,753 | $39,254,881 | $63,254,046 | $29,832,784 | $22,768,903 | $45,317,973 |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $74,211,193 | $88,018,073 | $109,822,937 | $101,293,192 | $83,614,926 | $91,566,530 | $116,853,652 |
| Total | $392,540,896 | $480,692,380 | $610,543,999 | $649,358,051 | $445,776,124 | $461,673,200 | $584,062,707 |
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