I don't know either, therefore I considered it a pretty tangential point. It feels like the choice is a bit more diverse here because there are six(+1*) parties all but guaranteed to enter parliament, so you wouldn't waste a vote if you voted for any of them.
*) seven actually, one party (CSU) only standing in Bavaria instead of the conservative party CDU.
*) seven actually, one party (CSU) only standing in Bavaria instead of the conservative party CDU.