Commodity2005200620072008200920102011
Dictating machines not capable of op. without an ext. source of power$2,939$3,886$432$70$228  
Telephone answering machines$11,979$1,952$4,018$1,370$311$1,768$2,553
Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20$57,345$12,224$72,038$7,600$3,149$6,762$4,628
Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ...$32,046$73,457$10,072,302$61,075$39,148$23,609$25,286
Total$104,309$91,519$10,148,790$70,115$42,836$32,139$32,467