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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of non-malleable ... | $26,911 | $58,148 | $66,182 | $117,257 | $55,548 | $45,944 | $100,251 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | $893,063 | $939,584 | $454,576 | $921,159 | $868,966 | $556,488 | $643,398 |
| Flanges of stainless steel | $54,912 | $57,470 | $111,989 | $65,769 | $62,565 | $135,167 | $250,146 |
| Threaded elbows, bends & sleeves of stainless steel | $100,298 | $67,186 | $93,504 | $148,464 | $95,498 | $112,164 | $193,531 |
| Butt welding fittings of stainless steel | $223,752 | $277,941 | $448,017 | $771,065 | $1,007,558 | $361,818 | $266,338 |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | $553,250 | $370,714 | $629,195 | $613,162 | $489,550 | $289,965 | $966,204 |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | $1,905,416 | $2,915,908 | $4,987,117 | $4,661,902 | $3,379,044 | $3,451,572 | $3,311,623 |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | $620,270 | $305,143 | $3,073,946 | $8,193,397 | $5,705,223 | $10,961,850 | $15,004,141 |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | $2,502,873 | $3,385,296 | $4,808,059 | $5,144,315 | $4,804,235 | $4,156,544 | $2,935,981 |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $5,117,486 | $8,053,532 | $7,016,517 | $8,540,921 | $6,458,114 | $5,817,326 | $8,696,965 |
| Total | $11,998,231 | $16,430,922 | $21,689,102 | $29,177,411 | $22,926,301 | $25,888,838 | $32,368,578 |
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