| Group | Membership | Members | Topics |
|---|---|---|---|
|
|
Open | 1680 | 30 |
|
|
Open | 1621 | 10 |
|
|
Open | 1597 | 9 |
|
|
Open | 1592 | 15 |
|
|
Open | 1540 | 1 |
|
|
Closed | 1521 | 6 |
|
|
Open | 1459 | 1 |