Commodity2005200620072008200920102011
Dictating machines not capable of op. without an ext. source of power$2,000$7,513     
Telephone answering machines$28,000$49,929$16,843$19,382$18,382$5,844$4,596
Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20$87,000$28,108     
Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ...$556,000$491,453     
Total$673,000$577,003$16,843$19,382$18,382$5,844$4,596