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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of non-malleable ... | $212,617 | $527,894 | $458,163 | $3,604,374 | $812,293 | $256,125 | $612,961 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | $5,274,698 | $6,607,541 | $6,043,024 | $5,595,014 | $4,288,758 | $8,841,489 | $5,058,499 |
| Flanges of stainless steel | $590,488 | $2,275,300 | $1,235,475 | $3,971,442 | $3,104,846 | $1,709,716 | $1,094,597 |
| Threaded elbows, bends & sleeves of stainless steel | $282,793 | $480,975 | $709,093 | $1,317,877 | $305,969 | $1,196,358 | $386,794 |
| Butt welding fittings of stainless steel | $493,267 | $754,786 | $250,568 | $697,309 | $1,080,024 | $321,946 | $338,798 |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | $1,493,410 | $2,960,870 | $3,442,227 | $7,312,976 | $9,987,655 | $4,422,819 | $3,799,731 |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | $1,678,897 | $1,779,241 | $2,769,855 | $6,618,113 | $3,340,361 | $1,856,529 | $2,077,594 |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | $1,257,914 | $701,108 | $2,404,049 | $4,216,632 | $1,237,179 | $458,951 | $588,066 |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | $671,363 | $1,467,745 | $1,105,854 | $2,495,197 | $2,290,106 | $1,300,717 | $624,138 |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $6,468,248 | $13,774,749 | $20,163,309 | $37,774,329 | $33,594,680 | $17,595,441 | $13,942,538 |
| Total | $18,423,695 | $31,330,209 | $38,581,617 | $73,603,263 | $60,041,871 | $37,960,091 | $28,523,716 |
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