Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto.    $100$5,165 
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$506,838$540,809$720,971$897,885$1,037,760$1,084,560$1,135,400
Micrometers, callipers & gauges$4,355$13,306$16,963$34,065$55,067$70,009$116,737
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$27,470$28,045$45,138$44,112$76,765$80,198$584,796
Parts & accessories of the instr. of 90.17$5$1,468$1,311  $100$2,220
Total$538,668$583,628$784,383$976,062$1,169,692$1,240,032$1,839,153