Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto.$319,199$186,310$250,981$554,511$59,897$152,360$103,851
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$2,283,516$2,004,325$1,529,553$1,080,607$1,246,464$799,847$1,578,697
Micrometers, callipers & gauges$1,119,704$1,947,153$1,584,559$1,818,521$1,012,542$1,356,424$1,093,365
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$2,627,983$3,998,819$3,864,950$2,476,448$1,996,722$2,095,062$2,669,778
Parts & accessories of the instr. of 90.17$199,381$353,652$553,623$366,148$726,821$559,507$253,609
Total$6,549,783$8,490,259$7,783,666$6,296,235$5,042,446$4,963,200$5,699,300