Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto.    $4,428$9,423 
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$3,462 $12,148 $16,913$493$7,043
Micrometers, callipers & gauges $24,123$11,962$76$101,043$26,435$515
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$3,881$8,873$2,095$10,142$30,790$2,889$47,864
Parts & accessories of the instr. of 90.17   $338 $587$6,438
Total$7,343$32,996$26,205$10,556$153,174$39,827$61,860