Girlgroups and line up changes, how many original members do these groups have

Girls' Generation
Members: 8
Former members: 1
Original members in current line up: 8
-----------------------------------------------------------

9MUSES:
Members: 8
Former members: 6
Original members in current line up: 3
-----------------------------------------------------------

KARA:
Members: 4 (for now)
Former members: 3
Original members in current line up: 2
-----------------------------------------------------------

After School:
Members: 7
Former members: 4
Original members in current line up: 1
-----------------------------------------------------------

RaNia:
Members: 6
Former members: 5
Original members in current line up: 3
-----------------------------------------------------------

Girl's Day:
Members: 4
Former members: 3
Original members in current line up: 2
-----------------------------------------------------------

Wonder Girls:
Members: 4
Former members: 3
Original members in current line up: 2
-----------------------------------------------------------

LPG:
Members: 4
Former members: 15
Original members in current line up: 0
-----------------------------------------------------------

Six Bomb:
Members: 4
Former members: 6
Original members in current line up: 0
-----------------------------------------------------------

EXID:
Members: 5
Former members: 3
Original members in current line up: 3
-----------------------------------------------------------