You forgot to add this other caveat on "A" team turnovers - "“A Team” positions is only counted once toward the turnover rate, thus, this chart only includes the first person to hold/depart a given position)." Many of Trump's "A Team" positions turned over multiple times. Including 4 Chief of Staffs, 5 Deputy Chief of Staffs, 3 VP Chief of Staffs, 3 First Lady Chief of Staffs, 6 Communications Directors, 4 Press Secretaries, 4 National Security Advisers, 6 Deputy National Security Advisers, 4 APs for Homeland Security and Terrorism, 3 Senior Directors of Intelligence, NSC, 6 Senior Directors for Europe and Russia, NSC, and 4 White House Directors of Legislative Affairs.
"SUMMARY: 27/60 (45%) “A Team” departures have turned over twice or more."