|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) powders | $145,259 | $209,401 | $354,257 | $305,576 | $240,242 | $445,719 | $758,400 |
| Tungsten (wolfram) & arts. thereof , n.e.s. in 81.01 | $667,897 | $1,139,664 | $1,326,399 | $1,213,307 | $910,171 | $1,547,773 | $2,348,079 |
| Total | $813,156 | $1,349,065 | $1,680,656 | $1,518,883 | $1,150,413 | $1,993,492 | $3,106,479 |
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