Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto.$255,323$420,032$32,916$100,445$31,365$73,368$63,709
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$197,423$212,521$290,495$232,479$133,165$171,916$442,834
Micrometers, callipers & gauges$185,915$188,192$221,917$180,949$90,385$122,440$153,215
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$864,112$1,158,843$1,306,445$756,788$324,325$471,619$731,031
Parts & accessories of the instr. of 90.17$37,488$32,882$35,665$37,608$23,777$21,159$98,111
Total$1,540,261$2,012,470$1,887,438$1,308,269$603,017$860,502$1,488,900