Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto. $2,188  $900$5,922$3,150
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$37,875$63,719$108,892$126,256$256,469$34,872$32,857
Micrometers, callipers & gauges$38,450$20,062$23,343$47,875$2,363$49,067$21,356
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$44,082$73,850$51,605$121,789$56,826$34,826$56,327
Parts & accessories of the instr. of 90.17 $52$505$6,285$375$1,809 
Total$120,407$159,871$184,345$302,205$316,933$126,496$113,690