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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of non-malleable ... | $54,858,751 | $69,404,170 | $86,156,152 | $89,956,571 | $62,849,460 | $83,347,287 | $88,313,782 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | $36,310,374 | $41,200,800 | $48,953,857 | $54,975,916 | $41,715,042 | $41,397,282 | $48,624,759 |
| Flanges of stainless steel | $33,937,545 | $43,434,420 | $55,598,251 | $56,829,566 | $34,673,937 | $36,931,751 | $42,587,363 |
| Threaded elbows, bends & sleeves of stainless steel | $20,366,260 | $24,902,535 | $36,785,048 | $36,607,388 | $22,172,610 | $28,688,613 | $31,442,044 |
| Butt welding fittings of stainless steel | $15,112,939 | $16,796,718 | $26,717,576 | $24,809,153 | $21,484,183 | $25,732,801 | $25,575,794 |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | $66,145,551 | $73,876,431 | $87,819,653 | $104,850,609 | $88,355,942 | $87,049,343 | $112,624,770 |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | $40,538,413 | $39,149,235 | $52,574,578 | $60,681,269 | $44,596,440 | $40,269,301 | $58,129,587 |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | $29,802,826 | $19,906,710 | $16,477,165 | $21,050,280 | $12,245,943 | $12,210,289 | $16,841,815 |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | $18,227,355 | $20,072,442 | $32,655,120 | $42,650,171 | $28,372,613 | $26,718,955 | $28,717,633 |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $120,001,418 | $131,838,795 | $159,162,141 | $163,224,392 | $112,263,498 | $131,242,055 | $141,079,423 |
| Total | $435,301,432 | $480,582,256 | $602,899,541 | $655,635,315 | $468,729,668 | $513,587,677 | $593,936,970 |
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