Commodity2005200620072008200920102011
Dictating machines not capable of op. without an ext. source of power$10,474$13,920     
Telephone answering machines $3,723$37,590$29,592$687$54,608$12,231
Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20$424,058$699,730     
Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ...$14,979,720$18,066,110     
Total$15,414,252$18,783,483$37,590$29,592$687$54,608$12,231