"Promiscuity" is common among males who do NOT seek other males, also...

Human sexuality is not an 'either-or' thing.... it is a gradient.

I fear, ake, you are merely seeking statistics to support something you already believe. (yes, I'm sure you'll claim otherwise...but your history of posting certainly leads many to suspect that way.)

I'll not bother to try to refute you further, as I'm sure enough has been said on both side to make whatever points need making.