Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto.$838,739$1,344,360$629,918$581,175$414,330$322,497$361,533
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$4,850,764$4,599,507$5,106,525$5,867,889$4,990,242$4,778,769$6,331,433
Micrometers, callipers & gauges$6,154,048$4,957,799$4,647,530$5,930,696$4,787,286$5,965,665$6,292,957
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$10,165,906$9,829,879$12,186,102$13,679,196$10,504,252$13,744,230$16,798,424
Parts & accessories of the instr. of 90.17$659,398$739,142$877,464$621,970$354,404$383,367$366,465
Total$22,668,855$21,470,687$23,447,539$26,680,926$21,050,514$25,194,528$30,150,812