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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Dictating machines not capable of op. without an ext. source of power | $3,247,943 | $3,411,365 | | | | | |
| Telephone answering machines | $13,008,108 | $6,905,517 | $6,595,141 | $5,640,996 | $2,082,852 | $2,551,047 | $821,864 |
| Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20 | $37,347,533 | $40,656,522 | | | | | |
| Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ... | $289,158,063 | $416,374,855 | | | | | |
| Total | $342,761,647 | $467,348,259 | $6,595,141 | $5,640,996 | $2,082,852 | $2,551,047 | $821,864 |
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