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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of non-malleable ... | $1,081,489 | $814,896 | $945,001 | $1,951,690 | $944,804 | $1,075,009 | $1,245,221 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | $10,401,225 | $12,314,498 | $7,081,547 | $8,979,191 | $10,957,214 | $9,480,421 | $16,544,170 |
| Flanges of stainless steel | $26,147,126 | $30,598,163 | $68,766,745 | $68,983,725 | $28,691,687 | $39,843,891 | $68,573,502 |
| Threaded elbows, bends & sleeves of stainless steel | $9,768,752 | $14,146,068 | $11,282,133 | $12,691,039 | $9,833,698 | $16,021,452 | $16,914,797 |
| Butt welding fittings of stainless steel | $38,503,626 | $61,142,461 | $91,341,640 | $43,967,668 | $35,959,395 | $36,021,147 | $54,286,714 |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | $40,655,117 | $50,397,053 | $74,735,832 | $83,026,940 | $66,707,865 | $83,844,037 | $102,657,400 |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | $123,265,076 | $245,050,472 | $393,866,256 | $629,111,191 | $235,055,138 | $158,982,406 | $263,888,048 |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | $30,295,301 | $40,165,334 | $12,822,673 | $18,954,725 | $13,096,127 | $19,215,978 | $52,706,147 |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | $96,379,787 | $169,492,281 | $270,883,797 | $322,440,226 | $220,938,726 | $226,227,036 | $335,101,379 |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $110,286,747 | $119,053,656 | $186,266,419 | $260,710,090 | $161,468,069 | $223,702,722 | $315,239,266 |
| Total | $486,784,246 | $743,174,882 | $1,117,992,043 | $1,450,816,485 | $783,652,723 | $814,414,099 | $1,227,156,644 |
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