Commodity20052006200720092011
Drafting tables & machines, whether or not auto. $80$8,158$1,925$9,353
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$920$13$6,985$9$8,878
Micrometers, callipers & gauges$269$191$1,581 $50
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$703$343$934$1,363$1,010
Parts & accessories of the instr. of 90.17$10$56$5,503  
Total$1,902$683$23,161$3,297$19,291