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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of non-malleable ... | $3,701,996 | $4,954,815 | $2,133,612 | $7,905,558 | $1,068,726 | $490,759 | $5,866,124 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | $18,954,142 | $42,205,180 | $42,851,535 | $40,308,170 | $70,533,705 | $45,052,069 | $58,898,905 |
| Flanges of stainless steel | $15,422,793 | $15,854,198 | $21,258,202 | $17,794,088 | $13,897,679 | $16,230,074 | $17,578,419 |
| Threaded elbows, bends & sleeves of stainless steel | $9,405,341 | $11,424,883 | $12,546,552 | $8,164,804 | $12,543,841 | $14,747,855 | $7,062,020 |
| Butt welding fittings of stainless steel | $5,387,986 | $8,328,157 | $8,189,380 | $6,141,658 | $5,060,688 | $4,971,570 | $4,660,713 |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | $20,875,938 | $36,045,918 | $51,998,678 | $45,843,680 | $29,443,559 | $38,425,401 | $42,127,649 |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | $20,496,836 | $30,854,495 | $42,469,367 | $55,500,678 | $42,983,654 | $25,677,849 | $29,146,206 |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | $6,568,406 | $7,957,971 | $16,696,130 | $15,148,131 | $12,947,484 | $11,316,454 | $11,758,900 |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | $6,645,382 | $8,455,026 | $15,063,931 | $17,734,752 | $13,075,060 | $13,689,055 | $19,816,192 |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $54,913,869 | $80,837,801 | $121,387,785 | $149,696,056 | $96,345,104 | $91,264,860 | $113,423,370 |
| Total | $162,372,689 | $246,918,444 | $334,595,172 | $364,237,575 | $297,899,500 | $261,865,946 | $310,338,498 |
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