 This ratio was forecast to fall to 5 times (10 GB vs. 2 GB/month) by 2018.Traffic from mobile devices that tether (share the data access of one device with multiple devices) can be up to 20 times higher than that from non-tethering users and averages between 7 and 14 times higher.It has also been shown that there are large differences in subscriber and traffic patterns between different provider networks, regional markets, device and user types.