Commodity2005200620072008200920102011
Carbides, of calcium, whether or not chemically defined$374$558$1,684$6,268$4,110$61,964$133,906
Carbides, of silicon, whether or not chemically defined  $936$1,931$495 $28,385
Carbides other than of carbon/silicon, whether or not chemically defined$80  $2,819 $1,711 
Total$454$558$2,620$11,018$4,605$63,675$162,291