I just got my third coeff. 5 item this month!

Before this month, (and even this year,) my coeff. 5 list consisted of only 2 BoM's. But this month, I got a

2 weeks ago, a BoS last week, and now a Daurma Watermellon.

I wonder if I'll get each of the other 8 unlocked coeff. 5 items over the next 8 weeks.