Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto.    $846  
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$780$11,348$90$931$442$565$613
Micrometers, callipers & gauges$20 $861$715$1,199$1,383$4,112
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$30$15$626$1,150$1,089$365$181
Parts & accessories of the instr. of 90.17  $16$100 $250 
Total$830$11,363$1,593$2,896$3,576$2,563$4,906