Your point is clear but I never doubted you. I was in San Francisco today and seen a few pretty asian woman but the majority I seen were not of the caliper that you posted
How does activity increase is it by post count or time spent on the forum?
It is partially linked to post count - more linked to how many two week periods you have been active in. Refer to here for an in-depth explanation: https://bitcointalk.org/index.php?topic=495948.0