| Group | Membership | Members | Topics |
|---|---|---|---|
|
|
Open | 1677 | 30 |
|
|
Open | 1619 | 10 |
|
|
Open | 1595 | 9 |
|
|
Open | 1590 | 15 |
|
|
Open | 1538 | 1 |
|
|
Closed | 1519 | 6 |
|
|
Open | 1457 | 1 |