not to refute your point, but without n values per country this poll is meaningless:

https://www.pewresearch.org/global/2009/11/02/end-of-communism-cheered-but-now-with-more-reservations/

The closest thing I’ve seen to an n value is 14760, which seems good, but no idea what the distribution of votes is, most of those might come from Bulgaria as far as we know