Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto. $2,475  $17,237$340 
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...  $207$35,114$155$730 
Micrometers, callipers & gauges $1,819$24,108$13,729$17,822$7,178$82,100
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$2,145$422$104,657$16,065$37,859$956,207$48,767
Parts & accessories of the instr. of 90.17$2,844$22$107,511$26,015$13,550$2,242$394
Total$4,989$4,738$236,483$90,923$86,623$966,697$131,261