Commodity2005200620072008200920102011
Carbides, of calcium, whether or not chemically defined$125,271$169,240$250,299$353,782$249,580$215,803$275,875
Carbides, of silicon, whether or not chemically defined$52,070 $25,439    
Carbides other than of carbon/silicon, whether or not chemically defined $5,891  $5,115$21,902 
Total$177,341$175,131$275,738$353,782$254,695$237,705$275,875