Commodity2005200620072008200920102011
Drafting tables & machines, whether or not auto.$181,511$236,285$618,831$181,002$643,043$534,422$621,602
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$2,601,915$1,319,946$1,682,607$2,991,711$1,351,063$2,469,383$2,421,596
Micrometers, callipers & gauges$3,404,687$3,087,364$3,675,634$5,017,829$6,098,510$5,641,846$7,322,167
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$5,534,672$7,933,889$7,666,101$8,242,206$7,717,621$34,356,788$52,495,351
Parts & accessories of the instr. of 90.17$14,152,642$18,922,698$45,951,154$63,056,495$58,930,279$76,255,648$82,090,382
Total$25,875,427$31,500,182$59,594,327$79,489,243$74,740,516$119,258,087$144,951,098