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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of non-malleable ... | $37,366,297 | $41,317,638 | $47,123,205 | $46,408,572 | $24,528,255 | $21,087,015 | $26,084,083 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | $251,705,626 | $270,065,666 | $274,412,595 | $320,634,211 | $193,405,358 | $281,388,952 | $337,405,292 |
| Flanges of stainless steel | $82,275,592 | $101,048,383 | $159,720,963 | $140,914,035 | $84,842,505 | $85,059,106 | $146,505,403 |
| Threaded elbows, bends & sleeves of stainless steel | $51,433,660 | $54,826,264 | $77,822,929 | $88,617,036 | $48,769,806 | $63,709,644 | $94,006,404 |
| Butt welding fittings of stainless steel | $62,887,514 | $76,525,435 | $140,416,959 | $121,274,410 | $82,976,195 | $61,450,477 | $101,164,157 |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | $88,818,938 | $105,098,587 | $151,740,133 | $154,663,786 | $105,846,712 | $149,738,624 | $203,246,914 |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | $122,266,120 | $168,392,825 | $230,232,039 | $274,816,132 | $199,620,667 | $216,156,076 | $304,881,311 |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | $116,957,336 | $164,527,961 | $181,455,783 | $232,582,489 | $134,855,494 | $207,076,957 | $313,647,243 |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | $96,380,744 | $133,737,237 | $187,909,621 | $264,964,496 | $200,071,066 | $168,344,323 | $187,752,842 |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $178,288,902 | $240,916,644 | $248,176,049 | $329,942,134 | $200,703,163 | $257,298,230 | $352,209,439 |
| Total | $1,088,380,729 | $1,356,456,640 | $1,699,010,276 | $1,974,817,301 | $1,275,619,221 | $1,511,309,404 | $2,066,903,088 |
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