Commodity200520062007200920102011
Drawing/marking-out/mathematical calculating instr. other than drafting tab ... $176$33$1,061  
Micrometers, callipers & gauges$2,806$639$670$971$842$1,058
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$3,637$57 $424 $208
Total$6,443$872$703$2,456$842$1,266