well, as in most non-femlae seeds, we'd like to say 50/50 just to cover our ass
But really, testing so far has shown usually 60-70% female. I'm one of those guys who swears you can change the sex of a seedling just by stress and what not... or that can cause more male ratio IMO...
They were just going into the end of the fifth week I believe, and yes, as the days get closer to harvest, she really starts to turn with the "season" so to speak... Remember fall walks with your momma...??? All the dark leaves, lots of cool "fall" colors? You will have distant memories come back to the front of your head... well, that may require smoking some GDP first... haha