40% last two years, 30% expected next two years. NBN Chief Bill Morrow sees the Netflix surge passing and future growth slowing. The average NBN user draws 131 gigabytes/month, reports Geoff Long at CommsDay. (Not linkable. CommsDay is an excellent news source, available only via a professionally priced subscription.)
Until two or three years ago, landline data traffic for the average user had been growing at 40% +-5% for a dozen years. Fortunately, Moore's Law has brought down the costs of the necessary components at a similar rate of about 40%. The marginal cost per subscriber per month has stayed flat at all the large carriers: About $1/subscriber/month across the developed world. Wireless growth has been similarly slowing.