Commodity2005200620072008
Dictating machines not capable of op. without an ext. source of power$5,230$85,764$51,245 
Telephone answering machines$569$3,774$405 
Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20$67,880$96,608$87,176$3,656
Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ...$628,348$745,778$807,228$44,680
Total$702,027$931,924$946,054$48,336