Commodity2005200620072008
Dictating machines not capable of op. without an ext. source of power $19,547$589$3,762
Telephone answering machines$12,818$23,624$15,093$4,296
Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20$413,890$390,486$726,410$614,979
Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ...$147,679$207,193$91,912$673,393
Total$574,387$640,850$834,004$1,296,430