i'm fairly new to Prolific and this thing is confusing me!

https://preview.redd.it/vaok213r7gyg1.png?width=718&format=png&auto=webp&s=15c6e1d790359a992ce0d576cfa774d747f122d1

so i was checking how many approvals i have and in the filter i selected "Approved" but here it says i have 183 approvals and only 159 total submissions? does that 183 count screened out studies as well?
sorry if this is a Dumb post but this thing is confusing me