stackoverflow: 4812
math: 845
ru.stackoverflow: 626
physics: 396
superuser: 374
askubuntu: 368
es.stackoverflow: 365
electronics: 296
stats: 295
unix: 258
gis: 250
tex: 236
serverfault: 217
pt.stackoverflow: 194
salesforce: 170
mathoverflow.net: 168
blender: 160
codegolf: 146
dba: 114
magento: 107
apple: 107
diy: 103
worldbuilding: 100
ethereum: 97
english: 96
mathematica: 94
ell: 92
academia: 92
wordpress: 83
codereview: 78
scifi: 74
android: 73
softwareengineering: 71
sharepoint: 67
security: 66