Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto.$529,372$1,244,618$2,431,412$2,779,383$2,873,439$2,768,134$3,606,880
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$652,338$777,258$908,014$1,004,205$801,902$1,305,319$2,108,780
Micrometers, callipers & gauges$5,000,636$5,294,619$6,525,562$7,237,881$3,916,386$4,381,765$5,713,038
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$11,477,538$14,551,880$19,920,808$20,208,491$14,225,465$17,703,339$20,369,042
Parts & accessories of the instr. of 90.17$635,595$989,472$720,594$663,671$679,009$568,068$781,812
Total$18,295,479$22,857,847$30,506,390$31,893,631$22,496,201$26,726,625$32,579,552