| Group | Membership | Members | Topics |
|---|---|---|---|
|
|
Open | 3191 | 44 |
|
|
Open | 3078 | 6 |
|
|
Open | 3068 | 4 |
|
|
Open | 3018 | 15 |
|
|
Open | 2987 | 15 |
|
|
Open | 2940 | 3 |
|
|
Open | 2817 | 7 |