Commodity2005200720102011
Glass in balls (excl. microspheres of 70.18), unwkd.$70   
Glass in tubes, unwkd., of fused quartz/oth. fused silica   $1,854
Glass in tubes, unwkd., n.e.s. in 70.02$3,175$3,765$5,003$2,409
Total$3,245$3,765$5,003$4,263