Commodity2007200820092011
Machine-tools for working any mat. by removal of mat., operated by laser/ot ...$5,356$233$1,954 
Machine-tools for working any mat. by removal of mat., operated by ultrason ...   $2,940
Machine-tools for working any mat. by removal of mat., operated by electro- ...$471   
Total$5,827$233$1,954$2,940