Commodity200620072008200920102011
Drafting tables & machines, whether or not auto.    $31 
Micrometers, callipers & gauges$31 $5,474$584$7,030$21,711
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ... $76$1,985$100$1,263$135
Parts & accessories of the instr. of 90.17   $249$1,980$398
Total$31$76$7,459$933$10,304$22,244