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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of non-malleable ... | $73,709 | $203,547 | $132,101 | $190,921 | $199,602 | $69,347 | $557,373 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | $512,620 | $2,501,345 | $421,433 | $504,893 | $3,015,243 | $1,608,124 | $5,034,797 |
| Flanges of stainless steel | $69,266 | $86,434 | $121,423 | $457,998 | $309,161 | $215,762 | $703,450 |
| Threaded elbows, bends & sleeves of stainless steel | $70,701 | $91,830 | $95,262 | $180,147 | $177,524 | $166,979 | $566,770 |
| Butt welding fittings of stainless steel | $11,180 | $45,060 | $36,098 | $984 | $25,919 | $85,135 | $27,893 |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | $101,841 | $225,052 | $1,080,049 | $2,259,846 | $17,104,468 | $280,973 | $3,335,259 |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | $214,440 | $358,142 | $384,178 | $743,361 | $368,889 | $423,864 | $678,176 |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | $266,319 | $434,653 | $187,021 | $392,936 | $525,061 | $795,733 | $794,672 |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | $50,387 | $63,056 | $96,325 | $10,631 | $39,147 | $33,734 | $56,625 |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $2,573,239 | $1,889,502 | $1,668,095 | $3,269,020 | $3,338,574 | $3,822,339 | $7,545,807 |
| Total | $3,943,702 | $5,898,621 | $4,221,985 | $8,010,737 | $25,103,588 | $7,501,990 | $19,300,822 |
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