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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of non-malleable ... | $3,876,755 | $4,607,799 | $5,420,759 | $17,806,186 | $13,210,325 | $16,042,032 | $21,703,531 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | $7,986,692 | $11,092,781 | $18,618,438 | $17,909,759 | $13,576,586 | $21,508,934 | $35,542,996 |
| Flanges of stainless steel | $28,041,057 | $23,989,101 | $31,490,790 | $36,741,309 | $26,952,352 | $43,418,572 | $47,735,723 |
| Threaded elbows, bends & sleeves of stainless steel | $21,353,163 | $31,739,729 | $28,226,855 | $38,793,125 | $29,693,976 | $37,505,120 | $37,044,752 |
| Butt welding fittings of stainless steel | $11,575,142 | $11,442,686 | $7,835,128 | $8,039,934 | $24,530,217 | $16,932,553 | $27,428,148 |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | $74,485,500 | $77,372,497 | $86,297,733 | $108,814,468 | $103,150,661 | $132,446,096 | $157,910,932 |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | $28,118,733 | $49,246,282 | $85,402,772 | $171,400,488 | $129,104,859 | $107,949,725 | $82,450,729 |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | $40,001,362 | $43,395,945 | $52,451,234 | $59,170,098 | $49,754,791 | $64,695,651 | $89,504,828 |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | $22,919,618 | $46,034,772 | $33,345,388 | $74,149,403 | $112,372,255 | $74,272,799 | $39,894,517 |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $144,360,372 | $179,105,117 | $186,289,818 | $250,779,634 | $189,832,131 | $243,657,646 | $266,006,899 |
| Total | $382,718,394 | $478,026,709 | $535,378,915 | $783,604,404 | $692,178,153 | $758,429,128 | $805,223,055 |
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