When I go at the end of August, we stay for like 18 days, so we don't do the parks everyday, we take like 2-3 days off enjoying our hotel and the pool, and visit other resorts as well! And we're Annual Passholders! (sometimes we go to 2 parks a day)
Magic Kingdom: 4
Epcot: 4-5
Animal Kingdom: 3
HS: 4