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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Dictating machines not capable of op. without an ext. source of power | $788 | | $702 | | | | |
| Telephone answering machines | $10,986 | $1,667 | $3,650 | $19,382 | $218 | $1,499 | $2,052 |
| Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20 | $117 | $25,453 | $41,327 | | | | |
| Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ... | $392,839 | $184,873 | $92,604 | | | | |
| Total | $404,730 | $211,993 | $138,283 | $19,382 | $218 | $1,499 | $2,052 |
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