Commodity200520062007200920102011
Glass in balls (excl. microspheres of 70.18), unwkd. $54$470$107$60 
Glass in rods, unwkd.$146 $2,042$3,349$1,395$561
Glass in tubes, unwkd., of fused quartz/oth. fused silica    $88$56
Glass in tubes, unwkd., n.e.s. in 70.02 $222$195  $41
Total$146$276$2,707$3,456$1,543$658