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| Commodity | 2005 | 2006 | 2007 | 2009 | 2011 |
| Telephone answering machines | | | $5,965 | $12,704 | $18,592 |
| Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20 | $8,030 | $3,879 | | | |
| Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ... | $66,388 | $114,258 | | | |
| Total | $74,418 | $118,137 | $5,965 | $12,704 | $18,592 |
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