Music sales volume in the US in 2007

Nielsen SoundScan published its findings on 2007 US music sales.

US total music sales in 2007
Total music sales				Overall album sales
Units	2007	2006	Growth	2007	2006	Growth
	1,369	1,198	14%	584.9	646.4	-9.5%
Total album sales				Internet album sales
Units	2007	2006	Growth	2007	2006	Growth
	500.5	588.2	-15%	30.1	29.4	2.4%
Digital track sales				Digital album sales
Units	2007	2006	Growth	2007	2006	Growth
	844.2	581.9	45%	50.0	32.6	53%
Source: Nielsen SoundScan