Commodity2005200620072008200920102011
Tungsten (wolfram) powders $146$374 $65$631 
Tungsten (wolfram) & arts. thereof , n.e.s. in 81.01$4,121$63$1,614$24,743$6,776$1,814$411
Total$4,121$209$1,988$24,743$6,841$2,445$411