Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto.$28,167$5,930$136,116$157,056$85,526$555,564$292,640
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$91,279$115,671$148,408$193,898$269,665$464,459$293,560
Micrometers, callipers & gauges$568,634$492,069$758,055$609,357$492,176$390,381$335,230
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$373,042$1,821,495$2,068,209$2,329,127$2,048,238$2,301,702$2,682,782
Parts & accessories of the instr. of 90.17$48,177$67,105$61,138$99,329$239,334$353,733$111,529
Total$1,109,299$2,502,270$3,171,926$3,388,767$3,134,939$4,065,839$3,715,741