Commodity200520062007200820092010
Drafting tables & machines, whether or not auto.$6,500 $13,443 $41,126 
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$3,405$16,817$130,060$509,970$621,252$1,267,484
Micrometers, callipers & gauges $3,826$7,052 $8,080$2,053
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$23,053$25,628$142,997$3,460,882$130,084$483,079
Parts & accessories of the instr. of 90.17$7,085$652$4,208$28,281$101,542$217,636
Total$40,043$46,923$297,760$3,999,133$902,084$1,970,252