Commodity2005200620072008200920102011
Dictating machines not capable of op. without an ext. source of power$144,880$165,916     
Telephone answering machines$219,096$63,168$21,704$140,601$35,017$33,618$77,314
Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20$2,366,835$1,464,858     
Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ...$12,899,647$7,448,387     
Total$15,630,458$9,142,329$21,704$140,601$35,017$33,618$77,314