Commodity2005200620072008
Gas/smoke analysis app.$29,384$58,362$47,344$20,723
Spectrometers, spectrophotometers & spectrographs using optical radiations ...$3,559$254$5,587 
Exposure meters   $1,620
Instruments & app. for physical/chem. analysis, n.e.s. in 90.27$60,427$101,750$1,203$4,184
Microtomes; parts & accessories of instr. & app. of 90.27 $30,603  
Total$93,370$190,969$54,134$26,527