Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto.$2,184,226$1,395,271$69,723$55,417$95,103$506,498$432,442
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$12,533,495$11,822,263$12,324,398$12,163,360$10,885,914$11,189,146$13,887,452
Micrometers, callipers & gauges$10,594,605$11,891,473$13,453,670$13,055,621$8,382,156$9,119,543$10,605,277
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$25,242,785$28,186,914$32,986,726$35,727,148$28,774,723$38,835,005$45,015,713
Parts & accessories of the instr. of 90.17$5,756,360$10,616,573$8,166,868$7,229,314$4,405,149$7,689,276$10,099,982
Total$56,311,471$63,912,494$67,001,385$68,230,860$52,543,045$67,339,468$80,040,866