思科：全球移动数据流量预测（2015 - 2020）白皮书（英文版）

Cisco Visual Networking Index: Global Mobile Data Traffic Forecast Update, 2015–2020 The Mobile Network in 2015 Global mobile data traffic grew 74 percent in 2015. Global mobile data traffic reached 3.7 exabytes per month at the end of 2015, up from 2.1 exabytes per month at the end of 2014. Mobile data traffic has grown 4,000-fold over the past 10 years and almost 400-million-fold over the past 15 years. Mobile networks carried fewer than 10 gigabytes per month in 2000, and less than 1 petabyte