Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto. $161$4,432$2,302   
Drawing/marking-out/mathematical calculating instr. other than drafting tab ... $2,996$1$133$37,318$161$33,399
Micrometers, callipers & gauges  $1,637  $574$18,224
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$1,000$29,593$17,351$15,127$4,460$8,402$11,220
Parts & accessories of the instr. of 90.17$35,000$250$915 $2,243$432$150
Total$36,000$33,000$24,336$17,562$44,021$9,569$62,993