Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto.$410,642$628,574$574,463$668,270$262,809$61,389$149,334
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$22,647$74,157$355,178$375,165$2,958$117,500$194,373
Micrometers, callipers & gauges$18,210$192,813$132,430$23,446$86,653$45,234$12,786
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$69,119$100,423$20,190$63,857$98,084$30,485$83,002
Parts & accessories of the instr. of 90.17$237,506$349,900$23,804$22,670$3,474$12,489$6,572
Total$758,124$1,345,867$1,106,065$1,153,408$453,978$267,097$446,067