Free market is not an absolute measure, not a 100%, but rather a cursor.
A country is rather ruled by free market or by government.
Like in "are USA more a free market than Venezuela and North Korea ?"
I can't understand why so many people keep on saying "there is no free market", as that's not even an argument. I mean i hope you can get out of this "black or white" void which just cancels any intent of reasoning. Unless it's done on purpose.
Here is a list by the way : https://www.heritage.org/index/ranking