Commodity2005200620072008200920102011
Dictating machines not capable of op. without an ext. source of power$652$1,700     
Telephone answering machines$5,919$29,345$103,261$8,424$192,182$131,651$129,828
Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20$81,543$8,676     
Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ...$1,886,567$1,823,704     
Total$1,974,681$1,863,425$103,261$8,424$192,182$131,651$129,828