Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto.$864,792$843,494$1,086,121$467,998$12,900$190,648$237,174
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$19,085,149$17,191,964$19,988,040$17,177,974$13,919,247$14,355,118$14,664,614
Micrometers, callipers & gauges$3,914,996$3,109,556$2,606,940$2,833,194$1,461,511$2,293,152$6,643,588
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$15,604,168$11,288,017$11,846,711$8,487,892$4,954,275$6,171,795$5,619,251
Parts & accessories of the instr. of 90.17$1,443,383$2,080,617$2,585,586$3,792,900$1,904,367$2,355,093$2,728,240
Total$40,912,488$34,513,648$38,113,398$32,759,958$22,252,300$25,365,806$29,892,867