≤2020 most of the top ten was constitutional monarchy, with most republics in the #11-20 range. 2021 seems to have been a bit of a shuffle (e.g., CA not being i

≤2020 most of the top ten was constitutional monarchy, with most republics in the #11-20 range. 2021 seems to have been a bit of a shuffle (e.g., CA not being in the top ten for the first time in a ~decade).