Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto.$19,217  $14,431$946$2,807$2,316
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$51,287$82,238$81,613$105,932$92,130$126,483$134,959
Micrometers, callipers & gauges$10,388$6,972$12,254$13,156$10,669$24,871$11,748
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$19,617$39,515$30,734$112,481$67,405$36,772$92,664
Parts & accessories of the instr. of 90.17 $9$60$268$131$208$394
Total$100,509$128,734$124,661$246,268$171,281$191,141$242,081