In 2015, subscription streaming delivered over $5 billion to the bottom line for the studios; pull out that number and what was a 1% increase is actually just over a 6% decrease for the year, to just under $13 billion. The 2014 total sans subscription streaming is $13.8 billion, down from $15 billion in 2013. The studios’ primary home entertainment revenue stream continues to be the sale of discs dropped from $6.9 billion in 2014 to $6.1 billion in 2015. The rate of decline accelerated from 10.9% in 2014 to 12% last year.
Source: Home Entertainment 2015 Spending: DVD Decline Should Worry Studios | Variety