2004
2005
2006
2007
2008
2009
2010
2011
$0
$50,000,000
$100,000,000
$150,000,000
$200,000,000
$250,000,000
$300,000,000
$350,000,000
Sub-Chapter200520062007200820092010
Tungsten (wolfram) and articles thereof, including waste and scrap.$1,939  $3,131 $459
Tantalum and articles thereof, including waste and scrap.$19,127     
Magnesium and articles thereof, including waste and scrap.  $393,225$3,588,978$516,099$2,521
Cobalt mattes and other intermediate products of cobalt metallurgy$161,416,628$143,656,743$248,752,712$293,978,652$75,243,316$194,448,371
Zirconium and articles thereof, including waste and scrap.$3,777     
Manganese and articles thereof, including waste and scrap.   $707,967$69,488 
Beryllium, chromium, germanium, vanadium, gallium, hafnium  $82   
Total$161,441,471$143,656,743$249,146,019$298,278,728$75,828,903$194,451,351