@Ghost.rider I tackle a lot of questions and information in Saoiray's Discussion about Rewards payout amounts if you care to look through it.
There are a lot of moving factors in terms of what we get and how many ads. It’s likely you just happened to hit the view limits and there aren’t enough new ad campaigns in your region. Or that the newer ad campaigns aren’t doing it for IC (Inline Content) but instead paid for SI (Sponsored Images = New Tab Page/NTP ads), or PN (Push Notification) instead.
Also if you haven’t noticed, Brave also is starting new thing of Offer Wall. They don’t have much of anything of use there right now, but eventually we’re supposed to see ways of earning BAT on that as well. Example of what it looks like for now is below: