Commodity200520062007200820092010
Drafting tables & machines, whether or not auto.$3,200,120$3,273,807$4,331,537$2,563,450$1,608,314$1,746,997
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$4,780,086$6,466,412$4,981,371$4,651,756$3,436,175$5,663,902
Micrometers, callipers & gauges$7,792,967$6,994,857$8,122,841$8,173,956$4,971,924$6,320,335
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$15,938,899$18,130,150$22,585,511$17,571,726$8,886,918$11,504,650
Parts & accessories of the instr. of 90.17$2,048,989$2,677,264$657,895$2,372,909$1,317,644$1,188,033
Total$33,761,061$37,542,490$40,679,155$35,333,797$20,220,975$26,423,917