Commodity200520062007200820092010
Drafting tables & machines, whether or not auto.$736,076$921,644$484,496$929,437$710,441$537,103
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$551,179$615,399$806,824$897,121$740,129$1,168,181
Micrometers, callipers & gauges$405,986$277,124$362,930$477,826$421,194$480,527
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$394,433$719,214$962,667$773,312$839,725$772,166
Parts & accessories of the instr. of 90.17$573,796$919,677$1,291,279$1,117,618$823,503$845,816
Total$2,661,470$3,453,058$3,908,196$4,195,314$3,534,992$3,803,793