Commodity2005200620072008200920102011
Dictating machines not capable of op. without an ext. source of power$23,048$2,085,207     
Telephone answering machines$1,286,225$830,614$720,635$171,108$488,560$268,036$1,721,665
Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20$4,138,875$27,224,425     
Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ...$14,733,636$16,790,566     
Total$20,181,784$46,930,812$720,635$171,108$488,560$268,036$1,721,665