Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto.$77,472$139,437$192,190$528,828$101,354$103,239$84,421
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$396,141$478,194$729,799$665,230$359,024$388,642$369,543
Micrometers, callipers & gauges$1,271,274$1,314,284$1,703,783$1,967,295$950,123$979,978$1,355,728
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$1,305,029$2,399,312$2,774,542$3,014,772$1,805,534$2,022,358$2,413,429
Parts & accessories of the instr. of 90.17$255,927$201,118$295,351$342,182$161,480$220,906$450,452
Total$3,305,843$4,532,345$5,695,665$6,518,307$3,377,515$3,715,123$4,673,573