Commodity2005200620072008200920102011
Microphones & stands therefor$115,206,232$173,322,703$231,862,663$316,537,231$157,679,089$180,180,131$188,020,952
Single loudspeakers, mounted in their enclosures$197,434,915$160,635,845$144,885,905$153,706,167$128,860,905$231,136,917$350,839,093
Multiple loudspeakers, mounted in the same enclosure$293,745,606$295,867,537$280,546,584$317,030,904$240,385,438$332,783,150$350,238,522
Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures$213,891,715$224,806,290$293,103,305$331,131,939$344,019,221$335,851,203$369,605,728
Headphones & earphones, whether or not combined with a microphone, & sets c ...$449,675,414$640,757,872$777,191,191$800,898,192$714,714,957$921,139,595$968,909,313
Audio-frequency elec. amplifiers$135,715,569$132,061,465$144,727,621$153,093,553$107,610,247$132,125,635$151,325,176
Electric sound amplifier sets$29,903,125$34,106,598$36,993,049$58,504,177$46,217,211$68,026,539$63,882,141
Parts of the app. & equip. of 85.18$404,849,518$437,094,349$481,811,406$486,458,912$365,464,512$483,052,298$455,054,208
Total$1,840,422,094$2,098,652,659$2,391,121,724$2,617,361,075$2,104,951,580$2,684,295,468$2,897,875,133