stackoverflow: 1561
math: 924
ru.stackoverflow: 602
physics: 415
askubuntu: 378
es.stackoverflow: 375
superuser: 336
electronics: 326
unix: 308
gis: 261
stats: 253
tex: 234
serverfault: 221
pt.stackoverflow: 211
mathoverflow.net: 195
worldbuilding: 164
blender: 136
ell: 118
apple: 117
diy: 114
salesforce: 110
hermeneutics: 108
ethereum: 101
dba: 99
codegolf: 97
academia: 92
magento: 92
meta: 90
datascience: 78
english: 78
codereview: 73
wordpress: 71
webapps: 67
android: 67
sharepoint: 67
scifi: 64