studio releases amount in cinema per year?

I am wonder per studio like a24, warner bros, disney, 20 centre fox, lionsgate etc gets released per year in cinemas.

as the current merger between Warners Bros and Paramount and they say they going to do 30 films in total 15 per company.

as Warner Bros owns their animation studio and New Line Cinema would this be included in their 15 films per year or just the main company Warner Bros as 15 plus these would be extras.

For uk releases there around 7+ a24 films coming out just this year alone with 3 of them already out and its only march.