Commodity2005200620072008200920102011
Dictating machines not capable of op. without an ext. source of power$1,456$5,068     
Telephone answering machines$11,174$6,675$9,031$3,822$7,686$2,020$16,079
Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20$30,029$3,971     
Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ...$1,297,288$2,208,262     
Total$1,339,947$2,223,976$9,031$3,822$7,686$2,020$16,079