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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Dictating machines not capable of op. without an ext. source of power | $8,464 | $8,926 | $31,896 | $47,444 | $132 | | |
| Telephone answering machines | $29,487 | $9,926 | $159,715 | $314,156 | $55,744 | $170,702 | $2,574 |
| Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20 | $80,592 | $60,093 | $70,380 | $28,589 | $5,034 | | |
| Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ... | $353,013 | $541,878 | $453,930 | $304,307 | $379,145 | | |
| Total | $471,556 | $620,823 | $715,921 | $694,496 | $440,055 | $170,702 | $2,574 |
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