Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto.$676,917$446,886$863,101$962,455$599,371$897,035$845,462
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$1,121,084$1,070,351$1,399,748$1,605,705$1,384,974$1,340,923$1,122,065
Micrometers, callipers & gauges$756,297$691,310$916,943$1,098,296$716,784$728,900$949,699
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$3,113,955$3,075,517$3,848,822$4,646,916$3,539,300$3,763,700$3,126,482
Parts & accessories of the instr. of 90.17$236,732$349,003$284,709$334,973$338,203$264,162$295,377
Total$5,904,985$5,633,067$7,313,323$8,648,345$6,578,632$6,994,720$6,339,085