The majority of my browsing is done through a VPN connected to a remote desktop, so...
home:
eth3:
Jun '14 48.08 GiB / 7.14 GiB / 55.22 GiB
Jul '14 61.59 GiB / 7.48 GiB / 69.07 GiB / 77.94 GiB
yesterday 1.89 GiB / 245.70 MiB / 2.13 GiB
today 323.41 MiB / 43.67 MiB / 367.08 MiB / 776 MiB
tun0:
Jun '14 43.48 GiB / 3.81 GiB / 47.29 GiB
Jul '14 56.37 GiB / 3.78 GiB / 60.15 GiB / 67.88 GiB
yesterday 1.74 GiB / 125.34 MiB / 1.86 GiB
today 296.42 MiB / 22.29 MiB / 318.71 MiB / 673 MiB
remote desktop:
vnstat
rx / tx / total / estimated
eth0:
Jun '14 10.00 GiB / 47.33 GiB / 57.33 GiB
Jul '14 14.21 GiB / 79.83 GiB / 94.04 GiB / 105.16 GiB
yesterday 413.64 MiB / 2.70 GiB / 3.10 GiB
today 205.63 MiB / 1.67 GiB / 1.87 GiB / 2.59 GiB
The totals also include SSH, SFTP (Filezilla on remote desktop), etc so my actual browsing totals are probably only about 1/3 of the total...or less.