No one can force you to learn the definitions of the word provisional.You can't articulate in your own words?tell us what you think provisional means. let's end that mystery.
I agree with the one used in dictionaries. The numbers will change as new data becomes available. Words found in dictionaries are not really mysteries. You don't even need the big book ones. Dictionaries are free online. Often, people who are educated make themselves look smart by using dictionaries. It's an old trick.
so you agree those aren't real numbers then, right? not confirmed. Because if they can change, then they weren't accurate. right?